11129791 has 2 divisors, whose sum is σ = 11129792. Its totient is φ = 11129790.

The previous prime is 11129773. The next prime is 11129813. The reversal of 11129791 is 19792111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11129791 - 2⁵ = 11129759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11129191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5564895 + 5564896.

It is an arithmetic number, because the mean of its divisors is an integer number (5564896).

Almost surely, 2^11129791 is an apocalyptic number.

11129791 is a deficient number, since it is larger than the sum of its proper divisors (1).

11129791 is an equidigital number, since it uses as much as digits as its factorization.

11129791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 31.

The square root of 11129791 is about 3336.1341399890. The cubic root of 11129791 is about 223.2692960135.

The spelling of 11129791 in words is "eleven million, one hundred twenty-nine thousand, seven hundred ninety-one".