116125326521 has 2 divisors, whose sum is σ = 116125326522. Its totient is φ = 116125326520.

The previous prime is 116125326511. The next prime is 116125326523. The reversal of 116125326521 is 125623521611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110449210921 + 5676115600 = 332339^2 + 75340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116125326521 is a prime.

It is a Sophie Germain prime.

Together with 116125326523, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (116125326523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58062663260 + 58062663261.

It is an arithmetic number, because the mean of its divisors is an integer number (58062663261).

Almost surely, 2^116125326521 is an apocalyptic number.

It is an amenable number.

116125326521 is a deficient number, since it is larger than the sum of its proper divisors (1).

116125326521 is an equidigital number, since it uses as much as digits as its factorization.

116125326521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The spelling of 116125326521 in words is "one hundred sixteen billion, one hundred twenty-five million, three hundred twenty-six thousand, five hundred twenty-one".