116312045261 has 2 divisors, whose sum is σ = 116312045262. Its totient is φ = 116312045260.

The previous prime is 116312045237. The next prime is 116312045299. The reversal of 116312045261 is 162540213611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108574204036 + 7737841225 = 329506^2 + 87965^2 .

It is a cyclic number.

It is not a de Polignac number, because 116312045261 - 2²² = 116307850957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116312045231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58156022630 + 58156022631.

It is an arithmetic number, because the mean of its divisors is an integer number (58156022631).

Almost surely, 2^116312045261 is an apocalyptic number.

It is an amenable number.

116312045261 is a deficient number, since it is larger than the sum of its proper divisors (1).

116312045261 is an equidigital number, since it uses as much as digits as its factorization.

116312045261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 116312045261 its reverse (162540213611), we get a palindrome (278852258872).

The spelling of 116312045261 in words is "one hundred sixteen billion, three hundred twelve million, forty-five thousand, two hundred sixty-one".