113520520455 has 16 divisors (see below), whose sum is σ = 181669785984. Its totient is φ = 60531959840.

The previous prime is 113520520453. The next prime is 113520520459. The reversal of 113520520455 is 554025025311.

It is not a de Polignac number, because 113520520455 - 2¹ = 113520520453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113520520453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693429 + ... + 841358.

It is an arithmetic number, because the mean of its divisors is an integer number (11354361624).

Almost surely, 2^113520520455 is an apocalyptic number.

113520520455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113520520455 is a deficient number, since it is larger than the sum of its proper divisors (68149265529).

113520520455 is a wasteful number, since it uses less digits than its factorization.

113520520455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539726.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 113520520455 its reverse (554025025311), we get a palindrome (667545545766).

The spelling of 113520520455 in words is "one hundred thirteen billion, five hundred twenty million, five hundred twenty thousand, four hundred fifty-five".