15990801199 has 2 divisors, whose sum is σ = 15990801200. Its totient is φ = 15990801198.

The previous prime is 15990801161. The next prime is 15990801227. The reversal of 15990801199 is 99110809951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15990801199 - 2⁹ = 15990800687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15990801149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7995400599 + 7995400600.

It is an arithmetic number, because the mean of its divisors is an integer number (7995400600).

Almost surely, 2^15990801199 is an apocalyptic number.

15990801199 is a deficient number, since it is larger than the sum of its proper divisors (1).

15990801199 is an equidigital number, since it uses as much as digits as its factorization.

15990801199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 52.

The spelling of 15990801199 in words is "fifteen billion, nine hundred ninety million, eight hundred one thousand, one hundred ninety-nine".