117156662543 has 2 divisors, whose sum is σ = 117156662544. Its totient is φ = 117156662542.

The previous prime is 117156662537. The next prime is 117156662561. The reversal of 117156662543 is 345266651711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117156662543 - 2⁶ = 117156662479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117156632543) 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, 58578331271 + 58578331272.

It is an arithmetic number, because the mean of its divisors is an integer number (58578331272).

Almost surely, 2^117156662543 is an apocalyptic number.

117156662543 is a deficient number, since it is larger than the sum of its proper divisors (1).

117156662543 is an equidigital number, since it uses as much as digits as its factorization.

117156662543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 47.

The spelling of 117156662543 in words is "one hundred seventeen billion, one hundred fifty-six million, six hundred sixty-two thousand, five hundred forty-three".