11225791 has 2 divisors, whose sum is σ = 11225792. Its totient is φ = 11225790.

The previous prime is 11225777. The next prime is 11225803. The reversal of 11225791 is 19752211.

It is a strong prime.

It is an emirp because it is prime and its reverse (19752211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11225791 - 2¹¹ = 11223743 is a prime.

It is equal to p₇₄₀₄₄₉ and since 11225791 and 740449 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 (11225741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5612895 + 5612896.

It is an arithmetic number, because the mean of its divisors is an integer number (5612896).

Almost surely, 2^11225791 is an apocalyptic number.

11225791 is a deficient number, since it is larger than the sum of its proper divisors (1).

11225791 is an equidigital number, since it uses as much as digits as its factorization.

11225791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 28.

The square root of 11225791 is about 3350.4911580244. The cubic root of 11225791 is about 223.9093954891.

The spelling of 11225791 in words is "eleven million, two hundred twenty-five thousand, seven hundred ninety-one".