116615105251 has 2 divisors, whose sum is σ = 116615105252. Its totient is φ = 116615105250.

The previous prime is 116615105239. The next prime is 116615105273. The reversal of 116615105251 is 152501516611.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116615105251 is a prime.

It is not a weakly prime, because it can be changed into another prime (116615105281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58307552625 + 58307552626.

It is an arithmetic number, because the mean of its divisors is an integer number (58307552626).

Almost surely, 2^116615105251 is an apocalyptic number.

116615105251 is a deficient number, since it is larger than the sum of its proper divisors (1).

116615105251 is an equidigital number, since it uses as much as digits as its factorization.

116615105251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 34.

The spelling of 116615105251 in words is "one hundred sixteen billion, six hundred fifteen million, one hundred five thousand, two hundred fifty-one".