11231660149 has 2 divisors, whose sum is σ = 11231660150. Its totient is φ = 11231660148.

The previous prime is 11231660131. The next prime is 11231660191. The reversal of 11231660149 is 94106613211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9750180049 + 1481480100 = 98743^2 + 38490^2 .

It is a cyclic number.

It is not a de Polignac number, because 11231660149 - 2¹¹ = 11231658101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11231660119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615830074 + 5615830075.

It is an arithmetic number, because the mean of its divisors is an integer number (5615830075).

Almost surely, 2^11231660149 is an apocalyptic number.

It is an amenable number.

11231660149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231660149 is an equidigital number, since it uses as much as digits as its factorization.

11231660149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 11231660149 in words is "eleven billion, two hundred thirty-one million, six hundred sixty thousand, one hundred forty-nine".