11252544991 has 2 divisors, whose sum is σ = 11252544992. Its totient is φ = 11252544990.

The previous prime is 11252544943. The next prime is 11252545027. The reversal of 11252544991 is 19944525211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11252544991 - 2¹⁵ = 11252512223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11252544911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5626272495 + 5626272496.

It is an arithmetic number, because the mean of its divisors is an integer number (5626272496).

Almost surely, 2^11252544991 is an apocalyptic number.

11252544991 is a deficient number, since it is larger than the sum of its proper divisors (1).

11252544991 is an equidigital number, since it uses as much as digits as its factorization.

11252544991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 43.

The spelling of 11252544991 in words is "eleven billion, two hundred fifty-two million, five hundred forty-four thousand, nine hundred ninety-one".