113222311440 has 160 divisors (see below), whose sum is σ = 401376691200. Its totient is φ = 25863501312.

The previous prime is 113222311381. The next prime is 113222311441. The reversal of 113222311440 is 44113222311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 113222311440.

It is not an unprimeable number, because it can be changed into a prime (113222311441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2834487 + ... + 2874153.

It is an arithmetic number, because the mean of its divisors is an integer number (2508604320).

Almost surely, 2^113222311440 is an apocalyptic number.

113222311440 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 113222311440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200688345600).

113222311440 is an abundant number, since it is smaller than the sum of its proper divisors (288154379760).

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

113222311440 is a wasteful number, since it uses less digits than its factorization.

113222311440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41389 (or 41383 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 113222311440 its reverse (44113222311), we get a palindrome (157335533751).

The spelling of 113222311440 in words is "one hundred thirteen billion, two hundred twenty-two million, three hundred eleven thousand, four hundred forty".