11491759 has 2 divisors, whose sum is σ = 11491760. Its totient is φ = 11491758.

The previous prime is 11491741. The next prime is 11491763. The reversal of 11491759 is 95719411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11491759 - 2²³ = 3103151 is a prime.

It is equal to p₇₅₆₇₇₅ and since 11491759 and 756775 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 (11491709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5745879 + 5745880.

It is an arithmetic number, because the mean of its divisors is an integer number (5745880).

Almost surely, 2^11491759 is an apocalyptic number.

11491759 is a deficient number, since it is larger than the sum of its proper divisors (1).

11491759 is an equidigital number, since it uses as much as digits as its factorization.

11491759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 37.

The square root of 11491759 is about 3389.9497046416. The cubic root of 11491759 is about 225.6639417595.

It can be divided in two parts, 1149175 and 9, that added together give a square (1149184 = 1072²).

The spelling of 11491759 in words is "eleven million, four hundred ninety-one thousand, seven hundred fifty-nine".