11545163515 has 16 divisors (see below), whose sum is σ = 14594562720. Its totient is φ = 8743299840.

The previous prime is 11545163507. The next prime is 11545163521. The reversal of 11545163515 is 51536154511.

It is not a de Polignac number, because 11545163515 - 2³ = 11545163507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79497 + ... + 171493.

It is an arithmetic number, because the mean of its divisors is an integer number (912160170).

Almost surely, 2^11545163515 is an apocalyptic number.

11545163515 is a deficient number, since it is larger than the sum of its proper divisors (3049399205).

11545163515 is a wasteful number, since it uses less digits than its factorization.

11545163515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93342.

The product of its digits is 45000, while the sum is 37.

The spelling of 11545163515 in words is "eleven billion, five hundred forty-five million, one hundred sixty-three thousand, five hundred fifteen".