118279287905 has 16 divisors (see below), whose sum is σ = 148308399360. Its totient is φ = 90385825728.

The previous prime is 118279287877. The next prime is 118279287923. The reversal of 118279287905 is 509782972811.

It is a cyclic number.

It is not a de Polignac number, because 118279287905 - 2³² = 113984320609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617285 + ... + 785874.

It is an arithmetic number, because the mean of its divisors is an integer number (9269274960).

Almost surely, 2^118279287905 is an apocalyptic number.

It is an amenable number.

118279287905 is a deficient number, since it is larger than the sum of its proper divisors (30029111455).

118279287905 is a wasteful number, since it uses less digits than its factorization.

118279287905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403920.

The product of its (nonzero) digits is 5080320, while the sum is 59.

The spelling of 118279287905 in words is "one hundred eighteen billion, two hundred seventy-nine million, two hundred eighty-seven thousand, nine hundred five".