13155402315 has 64 divisors (see below), whose sum is σ = 24504975360. Its totient is φ = 5955747840.

The previous prime is 13155402289. The next prime is 13155402329. The reversal of 13155402315 is 51320455131.

It is not a de Polignac number, because 13155402315 - 2¹² = 13155398219 is a prime.

It is a super-2 number, since 2×13155402315² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 337771 + ... + 374699.

It is an arithmetic number, because the mean of its divisors is an integer number (382890240).

Almost surely, 2^13155402315 is an apocalyptic number.

13155402315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13155402315 is a deficient number, since it is larger than the sum of its proper divisors (11349573045).

13155402315 is a wasteful number, since it uses less digits than its factorization.

13155402315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37092.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 13155402315 its reverse (51320455131), we get a palindrome (64475857446).

The spelling of 13155402315 in words is "thirteen billion, one hundred fifty-five million, four hundred two thousand, three hundred fifteen".