118956157979903 has 4 divisors (see below), whose sum is σ = 118956247726008. Its totient is φ = 118956068233800.

The previous prime is 118956157979899. The next prime is 118956157979921. The reversal of 118956157979903 is 309979751659811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118956157979903 - 2² = 118956157979899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118956157979933) 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, 42854576 + ... + 45545877.

It is an arithmetic number, because the mean of its divisors is an integer number (29739061931502).

Almost surely, 2^{118956157979903} is an apocalyptic number.

118956157979903 is a deficient number, since it is larger than the sum of its proper divisors (89746105).

118956157979903 is an equidigital number, since it uses as much as digits as its factorization.

118956157979903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89746104.

The product of its (nonzero) digits is 1157360400, while the sum is 80.

The spelling of 118956157979903 in words is "one hundred eighteen trillion, nine hundred fifty-six billion, one hundred fifty-seven million, nine hundred seventy-nine thousand, nine hundred three".