16113631559 has 2 divisors, whose sum is σ = 16113631560. Its totient is φ = 16113631558.

The previous prime is 16113631553. The next prime is 16113631579. The reversal of 16113631559 is 95513631161.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16113631559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16113631553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8056815779 + 8056815780.

It is an arithmetic number, because the mean of its divisors is an integer number (8056815780).

Almost surely, 2^16113631559 is an apocalyptic number.

16113631559 is a deficient number, since it is larger than the sum of its proper divisors (1).

16113631559 is an equidigital number, since it uses as much as digits as its factorization.

16113631559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 41.

The spelling of 16113631559 in words is "sixteen billion, one hundred thirteen million, six hundred thirty-one thousand, five hundred fifty-nine".