15530512134 has 24 divisors (see below), whose sum is σ = 32470226712. Its totient is φ = 4951756480.

The previous prime is 15530512079. The next prime is 15530512141. The reversal of 15530512134 is 43121503551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2443347 + ... + 2449694.

It is an arithmetic number, because the mean of its divisors is an integer number (1352926113).

Almost surely, 2^15530512134 is an apocalyptic number.

15530512134 is an abundant number, since it is smaller than the sum of its proper divisors (16939714578).

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

15530512134 is a wasteful number, since it uses less digits than its factorization.

15530512134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893092 (or 4893069 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 15530512134 in words is "fifteen billion, five hundred thirty million, five hundred twelve thousand, one hundred thirty-four".