11321225999 has 2 divisors, whose sum is σ = 11321226000. Its totient is φ = 11321225998.

The previous prime is 11321225989. The next prime is 11321226011. The reversal of 11321225999 is 99952212311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11321225999 - 2²⁸ = 11052790543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321225959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660612999 + 5660613000.

It is an arithmetic number, because the mean of its divisors is an integer number (5660613000).

Almost surely, 2^11321225999 is an apocalyptic number.

11321225999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321225999 is an equidigital number, since it uses as much as digits as its factorization.

11321225999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 44.

The spelling of 11321225999 in words is "eleven billion, three hundred twenty-one million, two hundred twenty-five thousand, nine hundred ninety-nine".