118531097970 has 32 divisors (see below), whose sum is σ = 284526969408. Its totient is φ = 31602477888.

The previous prime is 118531097969. The next prime is 118531098011. The reversal of 118531097970 is 79790135811.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196384 + ... + 525003.

It is an arithmetic number, because the mean of its divisors is an integer number (8891467794).

Almost surely, 2^118531097970 is an apocalyptic number.

118531097970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118531097970 is an abundant number, since it is smaller than the sum of its proper divisors (165995871438).

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

118531097970 is a wasteful number, since it uses less digits than its factorization.

118531097970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726874.

The product of its (nonzero) digits is 476280, while the sum is 51.

The spelling of 118531097970 in words is "one hundred eighteen billion, five hundred thirty-one million, ninety-seven thousand, nine hundred seventy".