11177270257 has 2 divisors, whose sum is σ = 11177270258. Its totient is φ = 11177270256.

The previous prime is 11177270197. The next prime is 11177270303. The reversal of 11177270257 is 75207277111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6496521201 + 4680749056 = 80601^2 + 68416^2 .

It is a cyclic number.

It is not a de Polignac number, because 11177270257 - 2⁷ = 11177270129 is a prime.

It is not a weakly prime, because it can be changed into another prime (11177270957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5588635128 + 5588635129.

It is an arithmetic number, because the mean of its divisors is an integer number (5588635129).

Almost surely, 2^11177270257 is an apocalyptic number.

It is an amenable number.

11177270257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11177270257 is an equidigital number, since it uses as much as digits as its factorization.

11177270257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48020, while the sum is 40.

The spelling of 11177270257 in words is "eleven billion, one hundred seventy-seven million, two hundred seventy thousand, two hundred fifty-seven".