112511540 has 24 divisors (see below), whose sum is σ = 248710560. Its totient is φ = 42635808.

The previous prime is 112511537. The next prime is 112511549. The reversal of 112511540 is 45115211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112511549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147662 + ... + 148421.

It is an arithmetic number, because the mean of its divisors is an integer number (10362940).

Almost surely, 2^112511540 is an apocalyptic number.

112511540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112511540 is an abundant number, since it is smaller than the sum of its proper divisors (136199020).

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

112511540 is a wasteful number, since it uses less digits than its factorization.

112511540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296111 (or 296109 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 112511540 is about 10607.1457046653. The cubic root of 112511540 is about 482.7611980310.

Adding to 112511540 its reverse (45115211), we get a palindrome (157626751).

The spelling of 112511540 in words is "one hundred twelve million, five hundred eleven thousand, five hundred forty".