11256451 has 2 divisors, whose sum is σ = 11256452. Its totient is φ = 11256450.

The previous prime is 11256439. The next prime is 11256457. The reversal of 11256451 is 15465211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11256451 - 2⁹ = 11255939 is a prime.

It is not a weakly prime, because it can be changed into another prime (11256457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628225 + 5628226.

It is an arithmetic number, because the mean of its divisors is an integer number (5628226).

Almost surely, 2^11256451 is an apocalyptic number.

11256451 is a deficient number, since it is larger than the sum of its proper divisors (1).

11256451 is an equidigital number, since it uses as much as digits as its factorization.

11256451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 25.

The square root of 11256451 is about 3355.0634867317. The cubic root of 11256451 is about 224.1130580952.

The spelling of 11256451 in words is "eleven million, two hundred fifty-six thousand, four hundred fifty-one".