15040315315 has 4 divisors (see below), whose sum is σ = 18048378384. Its totient is φ = 12032252248.

The previous prime is 15040315267. The next prime is 15040315321. The reversal of 15040315315 is 51351304051.

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

It is a cyclic number.

It is not a de Polignac number, because 15040315315 - 2¹⁵ = 15040282547 is a prime.

It is a super-2 number, since 2×15040315315² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504031527 + ... + 1504031536.

It is an arithmetic number, because the mean of its divisors is an integer number (4512094596).

Almost surely, 2^15040315315 is an apocalyptic number.

15040315315 is a deficient number, since it is larger than the sum of its proper divisors (3008063069).

15040315315 is an equidigital number, since it uses as much as digits as its factorization.

15040315315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008063068.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 15040315315 its reverse (51351304051), we get a palindrome (66391619366).

The spelling of 15040315315 in words is "fifteen billion, forty million, three hundred fifteen thousand, three hundred fifteen".