15489565152 has 384 divisors, whose sum is σ = 45714751488. Its totient is φ = 4578508800.

The previous prime is 15489565109. The next prime is 15489565153. The reversal of 15489565152 is 25156598451.

It is a junction number, because it is equal to n+sod(n) for n = 15489565095 and 15489565104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15489565153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 212185788 + ... + 212185860.

It is an arithmetic number, because the mean of its divisors is an integer number (119048832).

Almost surely, 2^15489565152 is an apocalyptic number.

15489565152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15489565152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22857375744).

15489565152 is an abundant number, since it is smaller than the sum of its proper divisors (30225186336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15489565152 is a wasteful number, since it uses less digits than its factorization.

15489565152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 234 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 51.

The spelling of 15489565152 in words is "fifteen billion, four hundred eighty-nine million, five hundred sixty-five thousand, one hundred fifty-two".