15275015125 has 16 divisors (see below), whose sum is σ = 19231937712. Its totient is φ = 12111859200.

The previous prime is 15275015123. The next prime is 15275015183. The reversal of 15275015125 is 52151057251.

It can be written as a sum of positive squares in 8 ways, for example, as 8327292516 + 6947722609 = 91254^2 + 83353^2 .

It is not a de Polignac number, because 15275015125 - 2¹ = 15275015123 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 (15275015123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526584 + ... + 554833.

It is an arithmetic number, because the mean of its divisors is an integer number (1201996107).

Almost surely, 2^15275015125 is an apocalyptic number.

It is an amenable number.

15275015125 is a deficient number, since it is larger than the sum of its proper divisors (3956922587).

15275015125 is a wasteful number, since it uses less digits than its factorization.

15275015125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081545 (or 1081535 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 34.

The spelling of 15275015125 in words is "fifteen billion, two hundred seventy-five million, fifteen thousand, one hundred twenty-five".