11051456641256 has 8 divisors (see below), whose sum is σ = 20721481202370. Its totient is φ = 5525728320624.

The previous prime is 11051456641213. The next prime is 11051456641273. The reversal of 11051456641256 is 65214665415011.

It can be written as a sum of positive squares in only one way, i.e., 9965171578756 + 1086285062500 = 3156766^2 + 1042250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11051456641256² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11051456641256.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690716040071 + ... + 690716040086.

Almost surely, 2^{11051456641256} is an apocalyptic number.

It is an amenable number.

11051456641256 is a deficient number, since it is larger than the sum of its proper divisors (9670024561114).

11051456641256 is a wasteful number, since it uses less digits than its factorization.

11051456641256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381432080163 (or 1381432080159 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 11051456641256 in words is "eleven trillion, fifty-one billion, four hundred fifty-six million, six hundred forty-one thousand, two hundred fifty-six".