112311520 has 96 divisors (see below), whose sum is σ = 283808448. Its totient is φ = 41852928.

The previous prime is 112311517. The next prime is 112311523. The reversal of 112311520 is 25113211.

It is an interprime number because it is at equal distance from previous prime (112311517) and next prime (112311523).

It is a super-2 number, since 2×112311520² = 25227755049420800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 112311494 and 112311503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112311523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426909 + ... + 427171.

It is an arithmetic number, because the mean of its divisors is an integer number (2956338).

Almost surely, 2^112311520 is an apocalyptic number.

112311520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112311520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141904224).

112311520 is an abundant number, since it is smaller than the sum of its proper divisors (171496928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112311520 is a wasteful number, since it uses less digits than its factorization.

112311520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 112311520 is about 10597.7129608232. The cubic root of 112311520 is about 482.4749483624.

Adding to 112311520 its reverse (25113211), we get a palindrome (137424731).

The spelling of 112311520 in words is "one hundred twelve million, three hundred eleven thousand, five hundred twenty".