11057791 has 6 divisors (see below), whose sum is σ = 11670792. Its totient is φ = 10475460.

The previous prime is 11057777. The next prime is 11057843. The reversal of 11057791 is 19775011.

It is not a de Polignac number, because 11057791 - 2⁹ = 11057279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11057591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14955 + ... + 15676.

It is an arithmetic number, because the mean of its divisors is an integer number (1945132).

Almost surely, 2^11057791 is an apocalyptic number.

11057791 is a deficient number, since it is larger than the sum of its proper divisors (613001).

11057791 is an equidigital number, since it uses as much as digits as its factorization.

11057791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30669 (or 30650 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 31.

The square root of 11057791 is about 3325.3256983339. The cubic root of 11057791 is about 222.7868018079.

The spelling of 11057791 in words is "eleven million, fifty-seven thousand, seven hundred ninety-one".