11113456777957 has 2 divisors, whose sum is σ = 11113456777958. Its totient is φ = 11113456777956.

The previous prime is 11113456777853. The next prime is 11113456778063. The reversal of 11113456777957 is 75977765431111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9129770445601 + 1983686332356 = 3021551^2 + 1408434^2 .

It is a cyclic number.

It is not a de Polignac number, because 11113456777957 - 2²⁷ = 11113322560229 is a prime.

It is a super-3 number, since 3×11113456777957³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11113456774957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556728388978 + 5556728388979.

It is an arithmetic number, because the mean of its divisors is an integer number (5556728388979).

Almost surely, 2^{11113456777957} is an apocalyptic number.

It is an amenable number.

11113456777957 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113456777957 is an equidigital number, since it uses as much as digits as its factorization.

11113456777957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38896200, while the sum is 64.

The spelling of 11113456777957 in words is "eleven trillion, one hundred thirteen billion, four hundred fifty-six million, seven hundred seventy-seven thousand, nine hundred fifty-seven".