113453252521 has 8 divisors (see below), whose sum is σ = 129705333440. Its totient is φ = 97212289968.

The previous prime is 113453252489. The next prime is 113453252557. The reversal of 113453252521 is 125252354311.

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

It is a cyclic number.

It is not a de Polignac number, because 113453252521 - 2⁵ = 113453252489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113453252581) 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, 2757711 + ... + 2798548.

It is an arithmetic number, because the mean of its divisors is an integer number (16213166680).

Almost surely, 2^113453252521 is an apocalyptic number.

It is an amenable number.

113453252521 is a deficient number, since it is larger than the sum of its proper divisors (16252080919).

113453252521 is an equidigital number, since it uses as much as digits as its factorization.

113453252521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559183.

The product of its digits is 36000, while the sum is 34.

The spelling of 113453252521 in words is "one hundred thirteen billion, four hundred fifty-three million, two hundred fifty-two thousand, five hundred twenty-one".