113211556455 has 32 divisors (see below), whose sum is σ = 192112704000. Its totient is φ = 56807498880.

The previous prime is 113211556429. The next prime is 113211556481. The reversal of 113211556455 is 554655112311.

It is an interprime number because it is at equal distance from previous prime (113211556429) and next prime (113211556481).

It is not a de Polignac number, because 113211556455 - 2⁶ = 113211556391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2668705 + ... + 2710794.

It is an arithmetic number, because the mean of its divisors is an integer number (6003522000).

Almost surely, 2^113211556455 is an apocalyptic number.

113211556455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113211556455 is a deficient number, since it is larger than the sum of its proper divisors (78901147545).

113211556455 is a wasteful number, since it uses less digits than its factorization.

113211556455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379591.

The product of its digits is 90000, while the sum is 39.

Adding to 113211556455 its reverse (554655112311), we get a palindrome (667866668766).

The spelling of 113211556455 in words is "one hundred thirteen billion, two hundred eleven million, five hundred fifty-six thousand, four hundred fifty-five".