118956157979905 has 8 divisors (see below), whose sum is σ = 150260410080000. Its totient is φ = 90156246047856.

The previous prime is 118956157979899. The next prime is 118956157979921. The reversal of 118956157979905 is 509979751659811.

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 118956157979905 - 2⁷ = 118956157979777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626085041905 + ... + 626085042094.

It is an arithmetic number, because the mean of its divisors is an integer number (18782551260000).

Almost surely, 2^{118956157979905} is an apocalyptic number.

It is an amenable number.

118956157979905 is a deficient number, since it is larger than the sum of its proper divisors (31304252100095).

118956157979905 is a wasteful number, since it uses less digits than its factorization.

118956157979905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252170084023.

The product of its (nonzero) digits is 1928934000, while the sum is 82.

The spelling of 118956157979905 in words is "one hundred eighteen trillion, nine hundred fifty-six billion, one hundred fifty-seven million, nine hundred seventy-nine thousand, nine hundred five".