11523134332015 has 12 divisors (see below), whose sum is σ = 14689005842376. Its totient is φ = 8676242319488.

The previous prime is 11523134332007. The next prime is 11523134332043. The reversal of 11523134332015 is 51023343132511.

It is not a de Polignac number, because 11523134332015 - 2³ = 11523134332007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3987242269 + ... + 3987245158.

It is an arithmetic number, because the mean of its divisors is an integer number (1224083820198).

Almost surely, 2^{11523134332015} is an apocalyptic number.

11523134332015 is a deficient number, since it is larger than the sum of its proper divisors (3165871510361).

11523134332015 is an equidigital number, since it uses as much as digits as its factorization.

11523134332015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7974487466 (or 7974487449 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 11523134332015 its reverse (51023343132511), we get a palindrome (62546477464526).

The spelling of 11523134332015 in words is "eleven trillion, five hundred twenty-three billion, one hundred thirty-four million, three hundred thirty-two thousand, fifteen".