11331230515 has 16 divisors (see below), whose sum is σ = 15312116736. Its totient is φ = 7975058400.

The previous prime is 11331230479. The next prime is 11331230567. The reversal of 11331230515 is 51503213311.

It is not a de Polignac number, because 11331230515 - 2²⁹ = 10794359603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11331230515.

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, 3321237 + ... + 3324646.

It is an arithmetic number, because the mean of its divisors is an integer number (957007296).

Almost surely, 2^11331230515 is an apocalyptic number.

11331230515 is a deficient number, since it is larger than the sum of its proper divisors (3980886221).

11331230515 is a wasteful number, since it uses less digits than its factorization.

11331230515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645930.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 11331230515 its reverse (51503213311), we get a palindrome (62834443826).

The spelling of 11331230515 in words is "eleven billion, three hundred thirty-one million, two hundred thirty thousand, five hundred fifteen".