11147057 has 2 divisors, whose sum is σ = 11147058. Its totient is φ = 11147056.

The previous prime is 11147041. The next prime is 11147069. The reversal of 11147057 is 75074111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9709456 + 1437601 = 3116^2 + 1199^2 .

It is a cyclic number.

It is not a de Polignac number, because 11147057 - 2⁴ = 11147041 is a prime.

It is a super-2 number, since 2×11147057² = 248513759522498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11147077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5573528 + 5573529.

It is an arithmetic number, because the mean of its divisors is an integer number (5573529).

Almost surely, 2^11147057 is an apocalyptic number.

It is an amenable number.

11147057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11147057 is an equidigital number, since it uses as much as digits as its factorization.

11147057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 11147057 is about 3338.7208628455. The cubic root of 11147057 is about 223.3846912902.

The spelling of 11147057 in words is "eleven million, one hundred forty-seven thousand, fifty-seven".