118238503956 has 24 divisors (see below), whose sum is σ = 276529970304. Its totient is φ = 39321387840.

The previous prime is 118238503927. The next prime is 118238503961. The reversal of 118238503956 is 659305832811.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 118238503899 and 118238503908.

It is a congruent number.

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, 11425465 + ... + 11435808.

It is an arithmetic number, because the mean of its divisors is an integer number (11522082096).

Almost surely, 2^118238503956 is an apocalyptic number.

It is an amenable number.

118238503956 is an abundant number, since it is smaller than the sum of its proper divisors (158291466348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118238503956 is a wasteful number, since it uses less digits than its factorization.

118238503956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22861711 (or 22861709 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 118238503956 in words is "one hundred eighteen billion, two hundred thirty-eight million, five hundred three thousand, nine hundred fifty-six".