351208711872 has 42 divisors (see below), whose sum is σ = 1006676361548. Its totient is φ = 117069570432.

The previous prime is 351208711787. The next prime is 351208711907. The reversal of 351208711872 is 278117802153.

351208711872 is a `hidden beast` number, since 351 + 208 + 7 + 11 + 87 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 304868098 + ... + 304869249.

Almost surely, 2^351208711872 is an apocalyptic number.

351208711872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

351208711872 is an abundant number, since it is smaller than the sum of its proper divisors (655467649676).

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

351208711872 is a wasteful number, since it uses less digits than its factorization.

351208711872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609737365 (or 609737352 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The spelling of 351208711872 in words is "three hundred fifty-one billion, two hundred eight million, seven hundred eleven thousand, eight hundred seventy-two".