113531128903488 has 56 divisors (see below), whose sum is σ = 300531765752640. Its totient is φ = 37825149568000.

The previous prime is 113531128903469. The next prime is 113531128903501. The reversal of 113531128903488 is 884309821135311.

It is a super-2 number, since 2×113531128903488² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144608013 + ... + 145390988.

Almost surely, 2^{113531128903488} is an apocalyptic number.

It is an amenable number.

113531128903488 is an abundant number, since it is smaller than the sum of its proper divisors (187000636849152).

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

113531128903488 is a wasteful number, since it uses less digits than its factorization.

113531128903488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290001055 (or 290001045 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 113531128903488 in words is "one hundred thirteen trillion, five hundred thirty-one billion, one hundred twenty-eight million, nine hundred three thousand, four hundred eighty-eight".