315030155055 has 128 divisors (see below), whose sum is σ = 667666298880. Its totient is φ = 122990192640.

The previous prime is 315030155051. The next prime is 315030155059. The reversal of 315030155055 is 550551030513.

It is an interprime number because it is at equal distance from previous prime (315030155051) and next prime (315030155059).

It is not a de Polignac number, because 315030155055 - 2² = 315030155051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315030155051) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1112217 + ... + 1366413.

It is an arithmetic number, because the mean of its divisors is an integer number (5216142960).

Almost surely, 2^315030155055 is an apocalyptic number.

315030155055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

315030155055 is an abundant number, since it is smaller than the sum of its proper divisors (352636143825).

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

315030155055 is a wasteful number, since it uses less digits than its factorization.

315030155055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254289.

The product of its (nonzero) digits is 28125, while the sum is 33.

Adding to 315030155055 its reverse (550551030513), we get a palindrome (865581185568).

The spelling of 315030155055 in words is "three hundred fifteen billion, thirty million, one hundred fifty-five thousand, fifty-five".