315255551999 has 16 divisors (see below), whose sum is σ = 319839572160. Its totient is φ = 310702560000.

The previous prime is 315255551959. The next prime is 315255552041. The reversal of 315255551999 is 999155552513.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 315255551999 - 2³² = 310960584703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315255551959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30334094 + ... + 30344484.

It is an arithmetic number, because the mean of its divisors is an integer number (19989973260).

Almost surely, 2^315255551999 is an apocalyptic number.

315255551999 is a deficient number, since it is larger than the sum of its proper divisors (4584020161).

315255551999 is a wasteful number, since it uses less digits than its factorization.

315255551999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11842.

The product of its digits is 13668750, while the sum is 59.

The spelling of 315255551999 in words is "three hundred fifteen billion, two hundred fifty-five million, five hundred fifty-one thousand, nine hundred ninety-nine".