113553455204021 has 16 divisors (see below), whose sum is σ = 130448240626176. Its totient is φ = 96826992452736.

The previous prime is 113553455204011. The next prime is 113553455204029. The reversal of 113553455204021 is 120402554355311.

It is a de Polignac number, because none of the positive numbers 2^k-113553455204021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113553455204021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113553455204029) 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, 8317700 + ... + 17213106.

It is an arithmetic number, because the mean of its divisors is an integer number (8153015039136).

Almost surely, 2^{113553455204021} is an apocalyptic number.

It is an amenable number.

113553455204021 is a deficient number, since it is larger than the sum of its proper divisors (16894785422155).

113553455204021 is an equidigital number, since it uses as much as digits as its factorization.

113553455204021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8904868.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 113553455204021 in words is "one hundred thirteen trillion, five hundred fifty-three billion, four hundred fifty-five million, two hundred four thousand, twenty-one".