117462726281 has 2 divisors, whose sum is σ = 117462726282. Its totient is φ = 117462726280.

The previous prime is 117462726253. The next prime is 117462726299. The reversal of 117462726281 is 182627264711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90204716281 + 27258010000 = 300341^2 + 165100^2 .

It is a cyclic number.

It is not a de Polignac number, because 117462726281 - 2¹⁸ = 117462464137 is a prime.

It is a super-2 number, since 2×117462726281² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (117462722281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58731363140 + 58731363141.

It is an arithmetic number, because the mean of its divisors is an integer number (58731363141).

Almost surely, 2^117462726281 is an apocalyptic number.

It is an amenable number.

117462726281 is a deficient number, since it is larger than the sum of its proper divisors (1).

117462726281 is an equidigital number, since it uses as much as digits as its factorization.

117462726281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 47.

The spelling of 117462726281 in words is "one hundred seventeen billion, four hundred sixty-two million, seven hundred twenty-six thousand, two hundred eighty-one".