315255551555 has 32 divisors (see below), whose sum is σ = 433955917824. Its totient is φ = 215373240576.

The previous prime is 315255551543. The next prime is 315255551557. The reversal of 315255551555 is 555155552513.

It is a cyclic number.

It is not a de Polignac number, because 315255551555 - 2⁴ = 315255551539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315255551557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25047794 + ... + 25060376.

It is an arithmetic number, because the mean of its divisors is an integer number (13561122432).

Almost surely, 2^315255551555 is an apocalyptic number.

315255551555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

315255551555 is a deficient number, since it is larger than the sum of its proper divisors (118700366269).

315255551555 is a wasteful number, since it uses less digits than its factorization.

315255551555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15195.

The product of its digits is 2343750, while the sum is 47.

The spelling of 315255551555 in words is "three hundred fifteen billion, two hundred fifty-five million, five hundred fifty-one thousand, five hundred fifty-five".