117284242651 has 2 divisors, whose sum is σ = 117284242652. Its totient is φ = 117284242650.

The previous prime is 117284242643. The next prime is 117284242687. The reversal of 117284242651 is 156242482711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117284242651 - 2³ = 117284242643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117284242598 and 117284242607.

It is not a weakly prime, because it can be changed into another prime (117284248651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58642121325 + 58642121326.

It is an arithmetic number, because the mean of its divisors is an integer number (58642121326).

Almost surely, 2^117284242651 is an apocalyptic number.

117284242651 is a deficient number, since it is larger than the sum of its proper divisors (1).

117284242651 is an equidigital number, since it uses as much as digits as its factorization.

117284242651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 43.

The spelling of 117284242651 in words is "one hundred seventeen billion, two hundred eighty-four million, two hundred forty-two thousand, six hundred fifty-one".