113503421532 has 12 divisors (see below), whose sum is σ = 264841316936. Its totient is φ = 37834473840.

The previous prime is 113503421531. The next prime is 113503421539. The reversal of 113503421532 is 235124305311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 113503421532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113503421531) 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, 4729309219 + ... + 4729309242.

Almost surely, 2^113503421532 is an apocalyptic number.

113503421532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113503421532 is an abundant number, since it is smaller than the sum of its proper divisors (151337895404).

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

113503421532 is a wasteful number, since it uses less digits than its factorization.

113503421532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9458618468 (or 9458618466 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 113503421532 its reverse (235124305311), we get a palindrome (348627726843).

The spelling of 113503421532 in words is "one hundred thirteen billion, five hundred three million, four hundred twenty-one thousand, five hundred thirty-two".