15125512316 has 6 divisors (see below), whose sum is σ = 26469646560. Its totient is φ = 7562756156.

The previous prime is 15125512313. The next prime is 15125512361. The reversal of 15125512316 is 61321552151.

It is a super-2 number, since 2×15125512316² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15125512313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890689036 + ... + 1890689043.

It is an arithmetic number, because the mean of its divisors is an integer number (4411607760).

Almost surely, 2^15125512316 is an apocalyptic number.

It is an amenable number.

15125512316 is a deficient number, since it is larger than the sum of its proper divisors (11344134244).

15125512316 is a wasteful number, since it uses less digits than its factorization.

15125512316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781378083 (or 3781378081 counting only the distinct ones).

The product of its digits is 9000, while the sum is 32.

The spelling of 15125512316 in words is "fifteen billion, one hundred twenty-five million, five hundred twelve thousand, three hundred sixteen".