11568979 has 2 divisors, whose sum is σ = 11568980. Its totient is φ = 11568978.

The previous prime is 11568961. The next prime is 11568989. The reversal of 11568979 is 97986511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11568979 - 2¹¹ = 11566931 is a prime.

It is a super-3 number, since 3×11568979³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11568989) 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, 5784489 + 5784490.

It is an arithmetic number, because the mean of its divisors is an integer number (5784490).

Almost surely, 2^11568979 is an apocalyptic number.

11568979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11568979 is an equidigital number, since it uses as much as digits as its factorization.

11568979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 46.

The square root of 11568979 is about 3401.3201848694. The cubic root of 11568979 is about 226.1682707966.

The spelling of 11568979 in words is "eleven million, five hundred sixty-eight thousand, nine hundred seventy-nine".