11495591 has 2 divisors, whose sum is σ = 11495592. Its totient is φ = 11495590.

The previous prime is 11495581. The next prime is 11495593. The reversal of 11495591 is 19559411.

It is a strong prime.

It is an emirp because it is prime and its reverse (19559411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11495591 is a prime.

It is a super-2 number, since 2×11495591² = 264297224878562, which contains 22 as substring.

Together with 11495593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11495593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5747795 + 5747796.

It is an arithmetic number, because the mean of its divisors is an integer number (5747796).

Almost surely, 2^11495591 is an apocalyptic number.

11495591 is a deficient number, since it is larger than the sum of its proper divisors (1).

11495591 is an equidigital number, since it uses as much as digits as its factorization.

11495591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 35.

The square root of 11495591 is about 3390.5148576581. The cubic root of 11495591 is about 225.6890219967.

The spelling of 11495591 in words is "eleven million, four hundred ninety-five thousand, five hundred ninety-one".