15115651559 has 2 divisors, whose sum is σ = 15115651560. Its totient is φ = 15115651558.

The previous prime is 15115651517. The next prime is 15115651601. The reversal of 15115651559 is 95515651151.

It is a balanced prime because it is at equal distance from previous prime (15115651517) and next prime (15115651601).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15115651559 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15115650559) 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, 7557825779 + 7557825780.

It is an arithmetic number, because the mean of its divisors is an integer number (7557825780).

Almost surely, 2^15115651559 is an apocalyptic number.

15115651559 is a deficient number, since it is larger than the sum of its proper divisors (1).

15115651559 is an equidigital number, since it uses as much as digits as its factorization.

15115651559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168750, while the sum is 44.

The spelling of 15115651559 in words is "fifteen billion, one hundred fifteen million, six hundred fifty-one thousand, five hundred fifty-nine".