1260551716956 has 120 divisors (see below), whose sum is σ = 3842952159200. Its totient is φ = 360157601664.

The previous prime is 1260551716873. The next prime is 1260551716973. The reversal of 1260551716956 is 6596171550621.

It is a happy number.

1260551716956 is a `hidden beast` number, since 1 + 2 + 60 + 5 + 517 + 1 + 69 + 5 + 6 = 666.

It is a super-2 number, since 2×1260551716956² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5560285 + ... + 5782548.

Almost surely, 2^{1260551716956} is an apocalyptic number.

It is an amenable number.

1260551716956 is an abundant number, since it is smaller than the sum of its proper divisors (2582400442244).

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

1260551716956 is a wasteful number, since it uses less digits than its factorization.

1260551716956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11342870 (or 11342845 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 54.

The spelling of 1260551716956 in words is "one trillion, two hundred sixty billion, five hundred fifty-one million, seven hundred sixteen thousand, nine hundred fifty-six".