15489000051 has 32 divisors (see below), whose sum is σ = 25516008960. Its totient is φ = 8158392576.

The previous prime is 15489000047. The next prime is 15489000091. The reversal of 15489000051 is 15000098451.

It is not a de Polignac number, because 15489000051 - 2² = 15489000047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15488999976 and 15489000021.

It is not an unprimeable number, because it can be changed into a prime (15489000091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509826 + ... + 539351.

It is an arithmetic number, because the mean of its divisors is an integer number (797375280).

Almost surely, 2^15489000051 is an apocalyptic number.

15489000051 is a deficient number, since it is larger than the sum of its proper divisors (10027008909).

15489000051 is a wasteful number, since it uses less digits than its factorization.

15489000051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049243.

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 15489000051 in words is "fifteen billion, four hundred eighty-nine million, fifty-one", and thus it is an aban number.