12761024560 has 40 divisors (see below), whose sum is σ = 29835166320. Its totient is φ = 5075887872.

The previous prime is 12761024539. The next prime is 12761024579. The reversal of 12761024560 is 6542016721.

It is a tau number, because it is divible by the number of its divisors (40).

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, 431247 + ... + 459886.

It is an arithmetic number, because the mean of its divisors is an integer number (745879158).

Almost surely, 2^12761024560 is an apocalyptic number.

12761024560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12761024560 is an abundant number, since it is smaller than the sum of its proper divisors (17074141760).

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

12761024560 is a wasteful number, since it uses less digits than its factorization.

12761024560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891325 (or 891319 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 12761024560 in words is "twelve billion, seven hundred sixty-one million, twenty-four thousand, five hundred sixty".