15145521125 has 32 divisors (see below), whose sum is σ = 21649275648. Its totient is φ = 10362696000.

The previous prime is 15145521109. The next prime is 15145521143. The reversal of 15145521125 is 52112554151.

It is not a de Polignac number, because 15145521125 - 2⁴ = 15145521109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15145521091 and 15145521100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384602 + ... + 422148.

It is an arithmetic number, because the mean of its divisors is an integer number (676539864).

Almost surely, 2^15145521125 is an apocalyptic number.

It is an amenable number.

15145521125 is a deficient number, since it is larger than the sum of its proper divisors (6503754523).

15145521125 is an equidigital number, since it uses as much as digits as its factorization.

15145521125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38030 (or 38020 counting only the distinct ones).

The product of its digits is 10000, while the sum is 32.

The spelling of 15145521125 in words is "fifteen billion, one hundred forty-five million, five hundred twenty-one thousand, one hundred twenty-five".