315515153405 has 16 divisors (see below), whose sum is σ = 380015106240. Its totient is φ = 251481120768.

The previous prime is 315515153389. The next prime is 315515153407. The reversal of 315515153405 is 504351515513.

It is a cyclic number.

It is not a de Polignac number, because 315515153405 - 2⁴ = 315515153389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315515153407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12069629 + ... + 12095741.

It is an arithmetic number, because the mean of its divisors is an integer number (23750944140).

Almost surely, 2^315515153405 is an apocalyptic number.

It is an amenable number.

315515153405 is a deficient number, since it is larger than the sum of its proper divisors (64499952835).

315515153405 is a wasteful number, since it uses less digits than its factorization.

315515153405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34940.

The product of its (nonzero) digits is 112500, while the sum is 38.

Adding to 315515153405 its reverse (504351515513), we get a palindrome (819866668918).

The spelling of 315515153405 in words is "three hundred fifteen billion, five hundred fifteen million, one hundred fifty-three thousand, four hundred five".