15819793151 has 2 divisors, whose sum is σ = 15819793152. Its totient is φ = 15819793150.

The previous prime is 15819793069. The next prime is 15819793163. The reversal of 15819793151 is 15139791851.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (15139791851) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15819793151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15819793151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15819793651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7909896575 + 7909896576.

It is an arithmetic number, because the mean of its divisors is an integer number (7909896576).

Almost surely, 2^15819793151 is an apocalyptic number.

15819793151 is a deficient number, since it is larger than the sum of its proper divisors (1).

15819793151 is an equidigital number, since it uses as much as digits as its factorization.

15819793151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 50.

The spelling of 15819793151 in words is "fifteen billion, eight hundred nineteen million, seven hundred ninety-three thousand, one hundred fifty-one".