11394769865256 has 160 divisors (see below), whose sum is σ = 32205410050440. Its totient is φ = 3763933235712.

The previous prime is 11394769865239. The next prime is 11394769865399. The reversal of 11394769865256 is 65256896749311.

It is a happy number.

11394769865256 is a `hidden beast` number, since 1 + 1 + 3 + 9 + 4 + 7 + 6 + 98 + 6 + 525 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5540063742756 + 5854706122500 = 2353734^2 + 2419650^2 .

It is a super-4 number, since 4×11394769865256⁴ (a number of 53 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 37797390 + ... + 38097666.

Almost surely, 2^{11394769865256} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11394769865256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16102705025220).

11394769865256 is an abundant number, since it is smaller than the sum of its proper divisors (20810640185184).

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

11394769865256 is a wasteful number, since it uses less digits than its factorization.

11394769865256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300825 (or 300812 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 72.

The spelling of 11394769865256 in words is "eleven trillion, three hundred ninety-four billion, seven hundred sixty-nine million, eight hundred sixty-five thousand, two hundred fifty-six".