118254244978 has 4 divisors (see below), whose sum is σ = 177381367470. Its totient is φ = 59127122488.

The previous prime is 118254244973. The next prime is 118254245029. The reversal of 118254244978 is 879442452811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 114127081929 + 4127163049 = 337827^2 + 64243^2 .

It is not an unprimeable number, because it can be changed into a prime (118254244973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29563561243 + ... + 29563561246.

Almost surely, 2^118254244978 is an apocalyptic number.

118254244978 is a deficient number, since it is larger than the sum of its proper divisors (59127122492).

118254244978 is an equidigital number, since it uses as much as digits as its factorization.

118254244978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59127122491.

The product of its digits is 5160960, while the sum is 55.

The spelling of 118254244978 in words is "one hundred eighteen billion, two hundred fifty-four million, two hundred forty-four thousand, nine hundred seventy-eight".