116628657251 has 2 divisors, whose sum is σ = 116628657252. Its totient is φ = 116628657250.

The previous prime is 116628657221. The next prime is 116628657269. The reversal of 116628657251 is 152756826611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116628657251 - 2²⁶ = 116561548387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116628657251.

It is not a weakly prime, because it can be changed into another prime (116628657221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58314328625 + 58314328626.

It is an arithmetic number, because the mean of its divisors is an integer number (58314328626).

Almost surely, 2^116628657251 is an apocalyptic number.

116628657251 is a deficient number, since it is larger than the sum of its proper divisors (1).

116628657251 is an equidigital number, since it uses as much as digits as its factorization.

116628657251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 50.

The spelling of 116628657251 in words is "one hundred sixteen billion, six hundred twenty-eight million, six hundred fifty-seven thousand, two hundred fifty-one".