11662630686061 has 2 divisors, whose sum is σ = 11662630686062. Its totient is φ = 11662630686060.

The previous prime is 11662630686029. The next prime is 11662630686071. The reversal of 11662630686061 is 16068603626611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8039436452100 + 3623194233961 = 2835390^2 + 1903469^2 .

It is a cyclic number.

It is not a de Polignac number, because 11662630686061 - 2⁵ = 11662630686029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11662630686001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5831315343030 + 5831315343031.

It is an arithmetic number, because the mean of its divisors is an integer number (5831315343031).

Almost surely, 2^{11662630686061} is an apocalyptic number.

It is an amenable number.

11662630686061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11662630686061 is an equidigital number, since it uses as much as digits as its factorization.

11662630686061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 11662630686061 in words is "eleven trillion, six hundred sixty-two billion, six hundred thirty million, six hundred eighty-six thousand, sixty-one".