15125667925 has 12 divisors (see below), whose sum is σ = 18966570660. Its totient is φ = 11964571520.

The previous prime is 15125667899. The next prime is 15125667959. The reversal of 15125667925 is 52976652151.

It can be written as a sum of positive squares in 6 ways, for example, as 1615557636 + 13510110289 = 40194^2 + 116233^2 .

It is not a de Polignac number, because 15125667925 - 2¹³ = 15125659733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3396802 + ... + 3401251.

It is an arithmetic number, because the mean of its divisors is an integer number (1580547555).

Almost surely, 2^15125667925 is an apocalyptic number.

It is an amenable number.

15125667925 is a deficient number, since it is larger than the sum of its proper divisors (3840902735).

15125667925 is an equidigital number, since it uses as much as digits as its factorization.

15125667925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6798152 (or 6798147 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 49.

The spelling of 15125667925 in words is "fifteen billion, one hundred twenty-five million, six hundred sixty-seven thousand, nine hundred twenty-five".