11167591 has 2 divisors, whose sum is σ = 11167592. Its totient is φ = 11167590.

The previous prime is 11167571. The next prime is 11167601. The reversal of 11167591 is 19576111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11167591 - 2¹¹ = 11165543 is a prime.

It is equal to p₇₃₆₈₆₁ and since 11167591 and 736861 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11167511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5583795 + 5583796.

It is an arithmetic number, because the mean of its divisors is an integer number (5583796).

Almost surely, 2^11167591 is an apocalyptic number.

11167591 is a deficient number, since it is larger than the sum of its proper divisors (1).

11167591 is an equidigital number, since it uses as much as digits as its factorization.

11167591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 31.

The square root of 11167591 is about 3341.7945777681. The cubic root of 11167591 is about 223.5217728406.

The spelling of 11167591 in words is "eleven million, one hundred sixty-seven thousand, five hundred ninety-one".