118587941956 has 45 divisors (see below), whose sum is σ = 228440905455. Its totient is φ = 53865729720.

The previous prime is 118587941929. The next prime is 118587941957. The reversal of 118587941956 is 659149785811.

The square root of 118587941956 is 344366.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118587941957) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 83335861 + ... + 83337283.

Almost surely, 2^118587941956 is an apocalyptic number.

118587941956 is the 344366-th square number.

It is an amenable number.

118587941956 is a deficient number, since it is larger than the sum of its proper divisors (109852963499).

118587941956 is an frugal number, since it uses more digits than its factorization.

118587941956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894 (or 1436 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 64.

Multiplying 118587941956 by its sum of digits (64), we get a square (7589628285184 = 2754928²).

The spelling of 118587941956 in words is "one hundred eighteen billion, five hundred eighty-seven million, nine hundred forty-one thousand, nine hundred fifty-six".