11408687149 has 2 divisors, whose sum is σ = 11408687150. Its totient is φ = 11408687148.

The previous prime is 11408687137. The next prime is 11408687209. The reversal of 11408687149 is 94178680411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10530453924 + 878233225 = 102618^2 + 29635^2 .

It is an emirp because it is prime and its reverse (94178680411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11408687149 - 2⁹ = 11408686637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11408687249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5704343574 + 5704343575.

It is an arithmetic number, because the mean of its divisors is an integer number (5704343575).

Almost surely, 2^11408687149 is an apocalyptic number.

It is an amenable number.

11408687149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11408687149 is an equidigital number, since it uses as much as digits as its factorization.

11408687149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 11408687149 in words is "eleven billion, four hundred eight million, six hundred eighty-seven thousand, one hundred forty-nine".