117462722281 has 2 divisors, whose sum is σ = 117462722282. Its totient is φ = 117462722280.

The previous prime is 117462722261. The next prime is 117462722353. The reversal of 117462722281 is 182227264711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97275995881 + 20186726400 = 311891^2 + 142080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117462722281 is a prime.

It is a super-2 number, since 2×117462722281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117462722231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58731361140 + 58731361141.

It is an arithmetic number, because the mean of its divisors is an integer number (58731361141).

Almost surely, 2^117462722281 is an apocalyptic number.

It is an amenable number.

117462722281 is a deficient number, since it is larger than the sum of its proper divisors (1).

117462722281 is an equidigital number, since it uses as much as digits as its factorization.

117462722281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 43.

Adding to 117462722281 its reverse (182227264711), we get a palindrome (299689986992).

The spelling of 117462722281 in words is "one hundred seventeen billion, four hundred sixty-two million, seven hundred twenty-two thousand, two hundred eighty-one".