113352251521 has 4 divisors (see below), whose sum is σ = 113368861872. Its totient is φ = 113335641172.

The previous prime is 113352251479. The next prime is 113352251557. The reversal of 113352251521 is 125152253311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113352251521 - 2²³ = 113343862913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113352251581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8294935 + ... + 8308588.

It is an arithmetic number, because the mean of its divisors is an integer number (28342215468).

Almost surely, 2^113352251521 is an apocalyptic number.

It is an amenable number.

113352251521 is a deficient number, since it is larger than the sum of its proper divisors (16610351).

113352251521 is an equidigital number, since it uses as much as digits as its factorization.

113352251521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16610350.

The product of its digits is 9000, while the sum is 31.

The spelling of 113352251521 in words is "one hundred thirteen billion, three hundred fifty-two million, two hundred fifty-one thousand, five hundred twenty-one".