15772117199 has 2 divisors, whose sum is σ = 15772117200. Its totient is φ = 15772117198.

The previous prime is 15772117159. The next prime is 15772117223. The reversal of 15772117199 is 99171127751.

It is a strong prime.

It is an emirp because it is prime and its reverse (99171127751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15772117199 - 2¹⁶ = 15772051663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15772117139) 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, 7886058599 + 7886058600.

It is an arithmetic number, because the mean of its divisors is an integer number (7886058600).

Almost surely, 2^15772117199 is an apocalyptic number.

15772117199 is a deficient number, since it is larger than the sum of its proper divisors (1).

15772117199 is an equidigital number, since it uses as much as digits as its factorization.

15772117199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 277830, while the sum is 50.

The spelling of 15772117199 in words is "fifteen billion, seven hundred seventy-two million, one hundred seventeen thousand, one hundred ninety-nine".