15125025145 has 8 divisors (see below), whose sum is σ = 19105295040. Its totient is φ = 11463176880.

The previous prime is 15125025127. The next prime is 15125025161. The reversal of 15125025145 is 54152052151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15125025145 - 2⁷ = 15125025017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79605301 + ... + 79605490.

It is an arithmetic number, because the mean of its divisors is an integer number (2388161880).

Almost surely, 2^15125025145 is an apocalyptic number.

It is an amenable number.

15125025145 is a deficient number, since it is larger than the sum of its proper divisors (3980269895).

15125025145 is a wasteful number, since it uses less digits than its factorization.

15125025145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159210815.

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 15125025145 its reverse (54152052151), we get a palindrome (69277077296).

The spelling of 15125025145 in words is "fifteen billion, one hundred twenty-five million, twenty-five thousand, one hundred forty-five".