11267791 has 2 divisors, whose sum is σ = 11267792. Its totient is φ = 11267790.

The previous prime is 11267783. The next prime is 11267797. The reversal of 11267791 is 19776211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11267791 - 2³ = 11267783 is a prime.

It is a super-2 number, since 2×11267791² = 253926228039362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11267797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5633895 + 5633896.

It is an arithmetic number, because the mean of its divisors is an integer number (5633896).

Almost surely, 2^11267791 is an apocalyptic number.

11267791 is a deficient number, since it is larger than the sum of its proper divisors (1).

11267791 is an equidigital number, since it uses as much as digits as its factorization.

11267791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 34.

The square root of 11267791 is about 3356.7530442378. The cubic root of 11267791 is about 224.1882916693.

The spelling of 11267791 in words is "eleven million, two hundred sixty-seven thousand, seven hundred ninety-one".