118972565776 has 45 divisors (see below), whose sum is σ = 235085130021. Its totient is φ = 58328028096.

The previous prime is 118972565771. The next prime is 118972565783. The reversal of 118972565776 is 677565279811.

The square root of 118972565776 is 344924.

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

It can be written as a sum of positive squares in only one way, i.e., 85766979600 + 33205586176 = 292860^2 + 182224^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118972565771) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 73123075 + ... + 73124701.

Almost surely, 2^118972565776 is an apocalyptic number.

118972565776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

118972565776 is the 344924-th square number.

It is an amenable number.

118972565776 is a deficient number, since it is larger than the sum of its proper divisors (116112564245).

118972565776 is an frugal number, since it uses more digits than its factorization.

118972565776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368 (or 1682 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 64.

Multiplying 118972565776 by its sum of digits (64), we get a square (7614244209664 = 2759392²).

The spelling of 118972565776 in words is "one hundred eighteen billion, nine hundred seventy-two million, five hundred sixty-five thousand, seven hundred seventy-six".