116445001261 has 2 divisors, whose sum is σ = 116445001262. Its totient is φ = 116445001260.

The previous prime is 116445001249. The next prime is 116445001331. The reversal of 116445001261 is 162100544611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116120785225 + 324216036 = 340765^2 + 18006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116445001261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116445001241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58222500630 + 58222500631.

It is an arithmetic number, because the mean of its divisors is an integer number (58222500631).

Almost surely, 2^116445001261 is an apocalyptic number.

It is an amenable number.

116445001261 is a deficient number, since it is larger than the sum of its proper divisors (1).

116445001261 is an equidigital number, since it uses as much as digits as its factorization.

116445001261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 116445001261 its reverse (162100544611), we get a palindrome (278545545872).

The spelling of 116445001261 in words is "one hundred sixteen billion, four hundred forty-five million, one thousand, two hundred sixty-one".