11167979 has 2 divisors, whose sum is σ = 11167980. Its totient is φ = 11167978.

The previous prime is 11167951. The next prime is 11168011. The reversal of 11167979 is 97976111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11167979 is a prime.

It is not a weakly prime, because it can be changed into another prime (11167909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5583989 + 5583990.

It is an arithmetic number, because the mean of its divisors is an integer number (5583990).

Almost surely, 2^11167979 is an apocalyptic number.

11167979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11167979 is an equidigital number, since it uses as much as digits as its factorization.

11167979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 41.

The square root of 11167979 is about 3341.8526299046. The cubic root of 11167979 is about 223.5243614456.

The spelling of 11167979 in words is "eleven million, one hundred sixty-seven thousand, nine hundred seventy-nine".