15489461125 has 16 divisors (see below), whose sum is σ = 19370617344. Its totient is φ = 12366075600.

The previous prime is 15489461123. The next prime is 15489461153. The reversal of 15489461125 is 52116498451.

It is not a de Polignac number, because 15489461125 - 2¹ = 15489461123 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 (15489461123) 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, 66349 + ... + 188098.

It is an arithmetic number, because the mean of its divisors is an integer number (1210663584).

Almost surely, 2^15489461125 is an apocalyptic number.

It is an amenable number.

15489461125 is a deficient number, since it is larger than the sum of its proper divisors (3881156219).

15489461125 is an equidigital number, since it uses as much as digits as its factorization.

15489461125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254949 (or 254939 counting only the distinct ones).

The product of its digits is 345600, while the sum is 46.

The spelling of 15489461125 in words is "fifteen billion, four hundred eighty-nine million, four hundred sixty-one thousand, one hundred twenty-five".