11615551159 has 2 divisors, whose sum is σ = 11615551160. Its totient is φ = 11615551158.

The previous prime is 11615551153. The next prime is 11615551201. The reversal of 11615551159 is 95115551611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11615551159 - 2³ = 11615551151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11615551151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5807775579 + 5807775580.

It is an arithmetic number, because the mean of its divisors is an integer number (5807775580).

Almost surely, 2^11615551159 is an apocalyptic number.

11615551159 is a deficient number, since it is larger than the sum of its proper divisors (1).

11615551159 is an equidigital number, since it uses as much as digits as its factorization.

11615551159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33750, while the sum is 40.

The spelling of 11615551159 in words is "eleven billion, six hundred fifteen million, five hundred fifty-one thousand, one hundred fifty-nine".