113553532550521 has 8 divisors (see below), whose sum is σ = 129835023139520. Its totient is φ = 97286931303408.

The previous prime is 113553532550483. The next prime is 113553532550537. The reversal of 113553532550521 is 125055235355311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113553532550521 - 2²⁷ = 113553398332793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113553532553521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3722319126 + ... + 3722349631.

It is an arithmetic number, because the mean of its divisors is an integer number (16229377892440).

Almost surely, 2^{113553532550521} is an apocalyptic number.

It is an amenable number.

113553532550521 is a deficient number, since it is larger than the sum of its proper divisors (16281490588999).

113553532550521 is an equidigital number, since it uses as much as digits as its factorization.

113553532550521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7444670943.

The product of its (nonzero) digits is 1687500, while the sum is 46.

The spelling of 113553532550521 in words is "one hundred thirteen trillion, five hundred fifty-three billion, five hundred thirty-two million, five hundred fifty thousand, five hundred twenty-one".