315761193856 has 16 divisors (see below), whose sum is σ = 629055503640. Its totient is φ = 157880596864.

The previous prime is 315761193833. The next prime is 315761193893. The reversal of 315761193856 is 658391167513.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 315761193797 and 315761193806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1233442036 + ... + 1233442291.

Almost surely, 2^315761193856 is an apocalyptic number.

It is an amenable number.

315761193856 is a deficient number, since it is larger than the sum of its proper divisors (313294309784).

315761193856 is an equidigital number, since it uses as much as digits as its factorization.

315761193856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466884341 (or 2466884329 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 55.

The spelling of 315761193856 in words is "three hundred fifteen billion, seven hundred sixty-one million, one hundred ninety-three thousand, eight hundred fifty-six".