113320505536 has 28 divisors (see below), whose sum is σ = 256994718928. Its totient is φ = 48565930752.

The previous prime is 113320505497. The next prime is 113320505539. The reversal of 113320505536 is 635505023311.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (113320505539) 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, 126473331 + ... + 126474226.

Almost surely, 2^113320505536 is an apocalyptic number.

113320505536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

113320505536 is an abundant number, since it is smaller than the sum of its proper divisors (143674213392).

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

113320505536 is an equidigital number, since it uses as much as digits as its factorization.

113320505536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252947576 (or 252947566 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 34.

Adding to 113320505536 its reverse (635505023311), we get a palindrome (748825528847).

The spelling of 113320505536 in words is "one hundred thirteen billion, three hundred twenty million, five hundred five thousand, five hundred thirty-six".