117055050251 has 2 divisors, whose sum is σ = 117055050252. Its totient is φ = 117055050250.

The previous prime is 117055050227. The next prime is 117055050289. The reversal of 117055050251 is 152050550711.

It is a weak prime.

It is an emirp because it is prime and its reverse (152050550711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117055050251 is a prime.

It is not a weakly prime, because it can be changed into another prime (117055080251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58527525125 + 58527525126.

It is an arithmetic number, because the mean of its divisors is an integer number (58527525126).

Almost surely, 2^117055050251 is an apocalyptic number.

117055050251 is a deficient number, since it is larger than the sum of its proper divisors (1).

117055050251 is an equidigital number, since it uses as much as digits as its factorization.

117055050251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8750, while the sum is 32.

The spelling of 117055050251 in words is "one hundred seventeen billion, fifty-five million, fifty thousand, two hundred fifty-one".