11604827257 has 2 divisors, whose sum is σ = 11604827258. Its totient is φ = 11604827256.

The previous prime is 11604827251. The next prime is 11604827281. The reversal of 11604827257 is 75272840611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11411366976 + 193460281 = 106824^2 + 13909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11604827257 is a prime.

It is not a weakly prime, because it can be changed into another prime (11604827251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5802413628 + 5802413629.

It is an arithmetic number, because the mean of its divisors is an integer number (5802413629).

Almost surely, 2^11604827257 is an apocalyptic number.

It is an amenable number.

11604827257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11604827257 is an equidigital number, since it uses as much as digits as its factorization.

11604827257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 11604827257 in words is "eleven billion, six hundred four million, eight hundred twenty-seven thousand, two hundred fifty-seven".