315011234205505 has 16 divisors (see below), whose sum is σ = 397925598021120. Its totient is φ = 238735354088448.

The previous prime is 315011234205497. The next prime is 315011234205509. The reversal of 315011234205505 is 505502432110513.

It is a cyclic number.

It is not a de Polignac number, because 315011234205505 - 2³ = 315011234205497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315011234205509) 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, 67180977 + ... + 71716846.

It is an arithmetic number, because the mean of its divisors is an integer number (24870349876320).

Almost surely, 2^{315011234205505} is an apocalyptic number.

It is an amenable number.

315011234205505 is a deficient number, since it is larger than the sum of its proper divisors (82914363815615).

315011234205505 is a wasteful number, since it uses less digits than its factorization.

315011234205505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138921720.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 315011234205505 in words is "three hundred fifteen trillion, eleven billion, two hundred thirty-four million, two hundred five thousand, five hundred five".