113346497281 has 2 divisors, whose sum is σ = 113346497282. Its totient is φ = 113346497280.

The previous prime is 113346497273. The next prime is 113346497351. The reversal of 113346497281 is 182794643311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108955447056 + 4391050225 = 330084^2 + 66265^2 .

It is a cyclic number.

It is not a de Polignac number, because 113346497281 - 2³ = 113346497273 is a prime.

It is a super-2 number, since 2×113346497281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113346197281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56673248640 + 56673248641.

It is an arithmetic number, because the mean of its divisors is an integer number (56673248641).

Almost surely, 2^113346497281 is an apocalyptic number.

It is an amenable number.

113346497281 is a deficient number, since it is larger than the sum of its proper divisors (1).

113346497281 is an equidigital number, since it uses as much as digits as its factorization.

113346497281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The spelling of 113346497281 in words is "one hundred thirteen billion, three hundred forty-six million, four hundred ninety-seven thousand, two hundred eighty-one".