2516117911 has 2 divisors, whose sum is σ = 2516117912. Its totient is φ = 2516117910.

The previous prime is 2516117909. The next prime is 2516117939. The reversal of 2516117911 is 1197116152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2516117911 - 2¹ = 2516117909 is a prime.

Together with 2516117909, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2516117711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258058955 + 1258058956.

It is an arithmetic number, because the mean of its divisors is an integer number (1258058956).

Almost surely, 2^2516117911 is an apocalyptic number.

2516117911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516117911 is an equidigital number, since it uses as much as digits as its factorization.

2516117911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 34.

The square root of 2516117911 is about 50160.9201570306. The cubic root of 2516117911 is about 1360.1192785739.

The spelling of 2516117911 in words is "two billion, five hundred sixteen million, one hundred seventeen thousand, nine hundred eleven".