113521523428 has 12 divisors (see below), whose sum is σ = 198931497520. Its totient is φ = 56683952712.

The previous prime is 113521523417. The next prime is 113521523429. The reversal of 113521523428 is 824325125311.

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 3 ways as a sum of consecutive naturals, for example, 19198926 + ... + 19204837.

Almost surely, 2^113521523428 is an apocalyptic number.

It is an amenable number.

113521523428 is a deficient number, since it is larger than the sum of its proper divisors (85409974092).

113521523428 is a wasteful number, since it uses less digits than its factorization.

113521523428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38404506 (or 38404504 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

Adding to 113521523428 its reverse (824325125311), we get a palindrome (937846648739).

The spelling of 113521523428 in words is "one hundred thirteen billion, five hundred twenty-one million, five hundred twenty-three thousand, four hundred twenty-eight".