11915159 has 2 divisors, whose sum is σ = 11915160. Its totient is φ = 11915158.

The previous prime is 11915119. The next prime is 11915177. The reversal of 11915159 is 95151911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11915159 - 2¹² = 11911063 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11915119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5957579 + 5957580.

It is an arithmetic number, because the mean of its divisors is an integer number (5957580).

Almost surely, 2^11915159 is an apocalyptic number.

11915159 is a deficient number, since it is larger than the sum of its proper divisors (1).

11915159 is an equidigital number, since it uses as much as digits as its factorization.

11915159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2025, while the sum is 32.

The square root of 11915159 is about 3451.8341501295. The cubic root of 11915159 is about 228.4020236028.

The spelling of 11915159 in words is "eleven million, nine hundred fifteen thousand, one hundred fifty-nine".