11564057 has 2 divisors, whose sum is σ = 11564058. Its totient is φ = 11564056.

The previous prime is 11564051. The next prime is 11564071. The reversal of 11564057 is 75046511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7639696 + 3924361 = 2764^2 + 1981^2 .

It is an emirp because it is prime and its reverse (75046511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11564057 - 2⁸ = 11563801 is a prime.

It is not a weakly prime, because it can be changed into another prime (11564051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5782028 + 5782029.

It is an arithmetic number, because the mean of its divisors is an integer number (5782029).

Almost surely, 2^11564057 is an apocalyptic number.

It is an amenable number.

11564057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11564057 is an equidigital number, since it uses as much as digits as its factorization.

11564057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 11564057 is about 3400.5965653103. The cubic root of 11564057 is about 226.1361919607.

The spelling of 11564057 in words is "eleven million, five hundred sixty-four thousand, fifty-seven".