116921895751 has 2 divisors, whose sum is σ = 116921895752. Its totient is φ = 116921895750.

The previous prime is 116921895647. The next prime is 116921895799. The reversal of 116921895751 is 157598129611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116921895751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 116921895692 and 116921895701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116921890751) 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, 58460947875 + 58460947876.

It is an arithmetic number, because the mean of its divisors is an integer number (58460947876).

Almost surely, 2^116921895751 is an apocalyptic number.

116921895751 is a deficient number, since it is larger than the sum of its proper divisors (1).

116921895751 is an equidigital number, since it uses as much as digits as its factorization.

116921895751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 55.

The spelling of 116921895751 in words is "one hundred sixteen billion, nine hundred twenty-one million, eight hundred ninety-five thousand, seven hundred fifty-one".