118261243772 has 48 divisors (see below), whose sum is σ = 254268349440. Its totient is φ = 46994219712.

The previous prime is 118261243729. The next prime is 118261243811. The reversal of 118261243772 is 277342162811.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2339843 + ... + 2389850.

It is an arithmetic number, because the mean of its divisors is an integer number (5297257280).

Almost surely, 2^118261243772 is an apocalyptic number.

It is an amenable number.

118261243772 is an abundant number, since it is smaller than the sum of its proper divisors (136007105668).

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

118261243772 is a wasteful number, since it uses less digits than its factorization.

118261243772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729770 (or 4729768 counting only the distinct ones).

The product of its digits is 225792, while the sum is 44.

The spelling of 118261243772 in words is "one hundred eighteen billion, two hundred sixty-one million, two hundred forty-three thousand, seven hundred seventy-two".