11261027257 has 2 divisors, whose sum is σ = 11261027258. Its totient is φ = 11261027256.

The previous prime is 11261027213. The next prime is 11261027269. The reversal of 11261027257 is 75272016211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11201258896 + 59768361 = 105836^2 + 7731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11261027257 is a prime.

It is not a weakly prime, because it can be changed into another prime (11261027957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5630513628 + 5630513629.

It is an arithmetic number, because the mean of its divisors is an integer number (5630513629).

Almost surely, 2^11261027257 is an apocalyptic number.

It is an amenable number.

11261027257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11261027257 is an equidigital number, since it uses as much as digits as its factorization.

11261027257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 11261027257 in words is "eleven billion, two hundred sixty-one million, twenty-seven thousand, two hundred fifty-seven".