113521523424 has 48 divisors (see below), whose sum is σ = 315523062288. Its totient is φ = 35614595072.

The previous prime is 113521523417. The next prime is 113521523429. The reversal of 113521523424 is 424325125311.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113521523429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34778247 + ... + 34781510.

It is an arithmetic number, because the mean of its divisors is an integer number (6573397131).

Almost surely, 2^113521523424 is an apocalyptic number.

It is an amenable number.

113521523424 is an abundant number, since it is smaller than the sum of its proper divisors (202001538864).

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

113521523424 is a wasteful number, since it uses less digits than its factorization.

113521523424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69559787 (or 69559779 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

Adding to 113521523424 its reverse (424325125311), we get a palindrome (537846648735).

The spelling of 113521523424 in words is "one hundred thirteen billion, five hundred twenty-one million, five hundred twenty-three thousand, four hundred twenty-four".