315615153155 has 4 divisors (see below), whose sum is σ = 378738183792. Its totient is φ = 252492122520.

The previous prime is 315615153059. The next prime is 315615153157. The reversal of 315615153155 is 551351516513.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 315615153155 - 2⁸ = 315615152899 is a prime.

It is a super-2 number, since 2×315615153155² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315615153157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31561515311 + ... + 31561515320.

It is an arithmetic number, because the mean of its divisors is an integer number (94684545948).

Almost surely, 2^315615153155 is an apocalyptic number.

315615153155 is a deficient number, since it is larger than the sum of its proper divisors (63123030637).

315615153155 is an equidigital number, since it uses as much as digits as its factorization.

315615153155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63123030636.

The product of its digits is 168750, while the sum is 41.

Adding to 315615153155 its reverse (551351516513), we get a palindrome (866966669668).

The spelling of 315615153155 in words is "three hundred fifteen billion, six hundred fifteen million, one hundred fifty-three thousand, one hundred fifty-five".