11774884257 has 12 divisors (see below), whose sum is σ = 17010977620. Its totient is φ = 7848625248.

The previous prime is 11774884241. The next prime is 11774884279. The reversal of 11774884257 is 75248847711.

It is a happy number.

11774884257 is a `hidden beast` number, since 1 + 1 + 77 + 488 + 42 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6097111056 + 5677773201 = 78084^2 + 75351^2 .

It is not a de Polignac number, because 11774884257 - 2⁴ = 11774884241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11774884157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48958 + ... + 161079.

Almost surely, 2^11774884257 is an apocalyptic number.

It is an amenable number.

11774884257 is a deficient number, since it is larger than the sum of its proper divisors (5236093363).

11774884257 is a wasteful number, since it uses less digits than its factorization.

11774884257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216272 (or 216269 counting only the distinct ones).

The product of its digits is 3512320, while the sum is 54.

The spelling of 11774884257 in words is "eleven billion, seven hundred seventy-four million, eight hundred eighty-four thousand, two hundred fifty-seven".