11516215159 has 2 divisors, whose sum is σ = 11516215160. Its totient is φ = 11516215158.

The previous prime is 11516215147. The next prime is 11516215163. The reversal of 11516215159 is 95151261511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11516215159 - 2⁵ = 11516215127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11516215129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5758107579 + 5758107580.

It is an arithmetic number, because the mean of its divisors is an integer number (5758107580).

Almost surely, 2^11516215159 is an apocalyptic number.

11516215159 is a deficient number, since it is larger than the sum of its proper divisors (1).

11516215159 is an equidigital number, since it uses as much as digits as its factorization.

11516215159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 37.

It can be divided in two parts, 115162 and 15159, that added together give a 4-th power (130321 = 19⁴).

The spelling of 11516215159 in words is "eleven billion, five hundred sixteen million, two hundred fifteen thousand, one hundred fifty-nine".