911990116159 has 2 divisors, whose sum is σ = 911990116160. Its totient is φ = 911990116158.

The previous prime is 911990116111. The next prime is 911990116187. The reversal of 911990116159 is 951611099119.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 911990116159 - 2²³ = 911981727551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (911990816159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455995058079 + 455995058080.

It is an arithmetic number, because the mean of its divisors is an integer number (455995058080).

Almost surely, 2^911990116159 is an apocalyptic number.

911990116159 is a deficient number, since it is larger than the sum of its proper divisors (1).

911990116159 is an equidigital number, since it uses as much as digits as its factorization.

911990116159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196830, while the sum is 52.

The spelling of 911990116159 in words is "nine hundred eleven billion, nine hundred ninety million, one hundred sixteen thousand, one hundred fifty-nine".