11167889 has 2 divisors, whose sum is σ = 11167890. Its totient is φ = 11167888.

The previous prime is 11167879. The next prime is 11167907. The reversal of 11167889 is 98876111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10837264 + 330625 = 3292^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 11167889 - 2⁸ = 11167633 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (11167879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5583944 + 5583945.

It is an arithmetic number, because the mean of its divisors is an integer number (5583945).

Almost surely, 2^11167889 is an apocalyptic number.

It is an amenable number.

11167889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11167889 is an equidigital number, since it uses as much as digits as its factorization.

11167889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 41.

The square root of 11167889 is about 3341.8391642926. The cubic root of 11167889 is about 223.5237610013.

The spelling of 11167889 in words is "eleven million, one hundred sixty-seven thousand, eight hundred eighty-nine".