12534017560 has 32 divisors (see below), whose sum is σ = 28230670800. Its totient is φ = 5008428160.

The previous prime is 12534017543. The next prime is 12534017569. The reversal of 12534017560 is 6571043521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534017569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122515 + ... + 200194.

Almost surely, 2^12534017560 is an apocalyptic number.

12534017560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12534017560 is an abundant number, since it is smaller than the sum of its proper divisors (15696653240).

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

12534017560 is a wasteful number, since it uses less digits than its factorization.

12534017560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323691 (or 323687 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 12534017560 in words is "twelve billion, five hundred thirty-four million, seventeen thousand, five hundred sixty".