11251944859 has 2 divisors, whose sum is σ = 11251944860. Its totient is φ = 11251944858.

The previous prime is 11251944827. The next prime is 11251944917. The reversal of 11251944859 is 95844915211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11251944859 - 2⁵ = 11251944827 is a prime.

It is not a weakly prime, because it can be changed into another prime (11251944559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5625972429 + 5625972430.

It is an arithmetic number, because the mean of its divisors is an integer number (5625972430).

Almost surely, 2^11251944859 is an apocalyptic number.

11251944859 is a deficient number, since it is larger than the sum of its proper divisors (1).

11251944859 is an equidigital number, since it uses as much as digits as its factorization.

11251944859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 49.

The spelling of 11251944859 in words is "eleven billion, two hundred fifty-one million, nine hundred forty-four thousand, eight hundred fifty-nine".