12515000265149 has 4 divisors (see below), whose sum is σ = 12946551998460. Its totient is φ = 12083448531840.

The previous prime is 12515000265143. The next prime is 12515000265169. The reversal of 12515000265149 is 94156200051521.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10309923762649 + 2205076502500 = 3210907^2 + 1484950^2 .

It is a cyclic number.

It is not a de Polignac number, because 12515000265149 - 2³⁶ = 12446280788413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12515000265143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215775866612 + ... + 215775866669.

It is an arithmetic number, because the mean of its divisors is an integer number (3236637999615).

Almost surely, 2^{12515000265149} is an apocalyptic number.

It is an amenable number.

12515000265149 is a deficient number, since it is larger than the sum of its proper divisors (431551733311).

12515000265149 is an equidigital number, since it uses as much as digits as its factorization.

12515000265149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431551733310.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 12515000265149 in words is "twelve trillion, five hundred fifteen billion, two hundred sixty-five thousand, one hundred forty-nine".