118347451880 has 48 divisors (see below), whose sum is σ = 309756346020. Its totient is φ = 40576268544.

The previous prime is 118347451813. The next prime is 118347451903. The reversal of 118347451880 is 88154743811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 112604540356 + 5742911524 = 335566^2 + 75782^2 .

It is a super-2 number, since 2×118347451880² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30188717 + ... + 30192636.

Almost surely, 2^118347451880 is an apocalyptic number.

118347451880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118347451880 is an abundant number, since it is smaller than the sum of its proper divisors (191408894140).

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

118347451880 is a wasteful number, since it uses less digits than its factorization.

118347451880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60381378 (or 60381367 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 118347451880 in words is "one hundred eighteen billion, three hundred forty-seven million, four hundred fifty-one thousand, eight hundred eighty".