11515051325 has 6 divisors (see below), whose sum is σ = 14278663674. Its totient is φ = 9212041040.

The previous prime is 11515051319. The next prime is 11515051363. The reversal of 11515051325 is 52315051511.

It can be written as a sum of positive squares in 3 ways, for example, as 1299097849 + 10215953476 = 36043^2 + 101074^2 .

It is not a de Polignac number, because 11515051325 - 2²⁰ = 11514002749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230301002 + ... + 230301051.

It is an arithmetic number, because the mean of its divisors is an integer number (2379777279).

Almost surely, 2^11515051325 is an apocalyptic number.

It is an amenable number.

11515051325 is a deficient number, since it is larger than the sum of its proper divisors (2763612349).

11515051325 is an equidigital number, since it uses as much as digits as its factorization.

11515051325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460602063 (or 460602058 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 11515051325 in words is "eleven billion, five hundred fifteen million, fifty-one thousand, three hundred twenty-five".