113418286521 has 8 divisors (see below), whose sum is σ = 160119933984. Its totient is φ = 71164415040.

The previous prime is 113418286483. The next prime is 113418286529. The reversal of 113418286521 is 125682814311.

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 113418286521 - 2²⁵ = 113384732089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113418286529) 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, 1111943935 + ... + 1111944036.

It is an arithmetic number, because the mean of its divisors is an integer number (20014991748).

Almost surely, 2^113418286521 is an apocalyptic number.

It is an amenable number.

113418286521 is a deficient number, since it is larger than the sum of its proper divisors (46701647463).

113418286521 is a wasteful number, since it uses less digits than its factorization.

113418286521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223887991.

The product of its digits is 92160, while the sum is 42.

It can be divided in two parts, 1134182 and 86521, that added together give a triangular number (1220703 = T₁₅₆₂).

The spelling of 113418286521 in words is "one hundred thirteen billion, four hundred eighteen million, two hundred eighty-six thousand, five hundred twenty-one".