116240755661 has 2 divisors, whose sum is σ = 116240755662. Its totient is φ = 116240755660.

The previous prime is 116240755627. The next prime is 116240755669. The reversal of 116240755661 is 166557042611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95369174761 + 20871580900 = 308819^2 + 144470^2 .

It is an emirp because it is prime and its reverse (166557042611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116240755661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116240755669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58120377830 + 58120377831.

It is an arithmetic number, because the mean of its divisors is an integer number (58120377831).

Almost surely, 2^116240755661 is an apocalyptic number.

It is an amenable number.

116240755661 is a deficient number, since it is larger than the sum of its proper divisors (1).

116240755661 is an equidigital number, since it uses as much as digits as its factorization.

116240755661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 116240755661 in words is "one hundred sixteen billion, two hundred forty million, seven hundred fifty-five thousand, six hundred sixty-one".