12560347755 has 32 divisors (see below), whose sum is σ = 22471771200. Its totient is φ = 6656173056.

The previous prime is 12560347747. The next prime is 12560347777. The reversal of 12560347755 is 55774306521.

It is a happy number.

12560347755 is a `hidden beast` number, since 1 + 2 + 560 + 34 + 7 + 7 + 55 = 666.

It is not a de Polignac number, because 12560347755 - 2³ = 12560347747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12560347755.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275110 + ... + 317499.

It is an arithmetic number, because the mean of its divisors is an integer number (702242850).

Almost surely, 2^12560347755 is an apocalyptic number.

12560347755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12560347755 is a deficient number, since it is larger than the sum of its proper divisors (9911423445).

12560347755 is a wasteful number, since it uses less digits than its factorization.

12560347755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592780 (or 592774 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 12560347755 in words is "twelve billion, five hundred sixty million, three hundred forty-seven thousand, seven hundred fifty-five".