118257403321 has 4 divisors (see below), whose sum is σ = 124481477200. Its totient is φ = 112033329444.

The previous prime is 118257403307. The next prime is 118257403349. The reversal of 118257403321 is 123304752811.

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 118257403321 - 2¹³ = 118257395129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118257403301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112036911 + ... + 3112036948.

It is an arithmetic number, because the mean of its divisors is an integer number (31120369300).

Almost surely, 2^118257403321 is an apocalyptic number.

It is an amenable number.

118257403321 is a deficient number, since it is larger than the sum of its proper divisors (6224073879).

118257403321 is an equidigital number, since it uses as much as digits as its factorization.

118257403321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6224073878.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 118257403321 in words is "one hundred eighteen billion, two hundred fifty-seven million, four hundred three thousand, three hundred twenty-one".