13511245528 has 24 divisors (see below), whose sum is σ = 27638869140. Its totient is φ = 6140979600.

The previous prime is 13511245513. The next prime is 13511245541. The reversal of 13511245528 is 82554211531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1084213 + ... + 1096603.

Almost surely, 2^13511245528 is an apocalyptic number.

It is an amenable number.

13511245528 is an abundant number, since it is smaller than the sum of its proper divisors (14127623612).

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

13511245528 is an frugal number, since it uses more digits than its factorization.

13511245528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24799 (or 12404 counting only the distinct ones).

The product of its digits is 48000, while the sum is 37.

The spelling of 13511245528 in words is "thirteen billion, five hundred eleven million, two hundred forty-five thousand, five hundred twenty-eight".