118145272056 has 32 divisors (see below), whose sum is σ = 337557920640. Its totient is φ = 33755791968.

The previous prime is 118145272043. The next prime is 118145272093. The reversal of 118145272056 is 650272541811.

It is a happy number.

It is a super-3 number, since 3×118145272056³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 118145271999 and 118145272017.

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, 351622666 + ... + 351623001.

It is an arithmetic number, because the mean of its divisors is an integer number (10548685020).

Almost surely, 2^118145272056 is an apocalyptic number.

It is an amenable number.

118145272056 is an abundant number, since it is smaller than the sum of its proper divisors (219412648584).

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

118145272056 is a wasteful number, since it uses less digits than its factorization.

118145272056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703245683 (or 703245679 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 118145272056 in words is "one hundred eighteen billion, one hundred forty-five million, two hundred seventy-two thousand, fifty-six".