13125128548 has 24 divisors (see below), whose sum is σ = 26959725632. Its totient is φ = 5473026144.

The previous prime is 13125128537. The next prime is 13125128561. The reversal of 13125128548 is 84582152131.

It is a self number, because there is not a number n which added to its sum of digits gives 13125128548.

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, 6333486 + ... + 6335557.

Almost surely, 2^13125128548 is an apocalyptic number.

It is an amenable number.

13125128548 is an abundant number, since it is smaller than the sum of its proper divisors (13834597084).

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

13125128548 is a wasteful number, since it uses less digits than its factorization.

13125128548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12669091 (or 12669089 counting only the distinct ones).

The product of its digits is 76800, while the sum is 40.

The spelling of 13125128548 in words is "thirteen billion, one hundred twenty-five million, one hundred twenty-eight thousand, five hundred forty-eight".