118722971844 has 27 divisors (see below), whose sum is σ = 300110515887. Its totient is φ = 39573634824.

The previous prime is 118722971839. The next prime is 118722971923. The reversal of 118722971844 is 448179227811.

The square root of 118722971844 is 344562.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2038659 + ... + 2096085.

Almost surely, 2^118722971844 is an apocalyptic number.

118722971844 is the 344562-nd square number.

It is an amenable number.

118722971844 is an abundant number, since it is smaller than the sum of its proper divisors (181387544043).

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

118722971844 is an frugal number, since it uses more digits than its factorization.

118722971844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114864 (or 57432 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 54.

The spelling of 118722971844 in words is "one hundred eighteen billion, seven hundred twenty-two million, nine hundred seventy-one thousand, eight hundred forty-four".