11056307257 has 2 divisors, whose sum is σ = 11056307258. Its totient is φ = 11056307256.

The previous prime is 11056307203. The next prime is 11056307261. The reversal of 11056307257 is 75270365011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8059730176 + 2996577081 = 89776^2 + 54741^2 .

It is a cyclic number.

It is not a de Polignac number, because 11056307257 - 2¹¹ = 11056305209 is a prime.

It is a super-2 number, since 2×11056307257² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11056307287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528153628 + 5528153629.

It is an arithmetic number, because the mean of its divisors is an integer number (5528153629).

Almost surely, 2^11056307257 is an apocalyptic number.

It is an amenable number.

11056307257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11056307257 is an equidigital number, since it uses as much as digits as its factorization.

11056307257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 11056307257 in words is "eleven billion, fifty-six million, three hundred seven thousand, two hundred fifty-seven".