11100990149 has 2 divisors, whose sum is σ = 11100990150. Its totient is φ = 11100990148.

The previous prime is 11100990133. The next prime is 11100990211. The reversal of 11100990149 is 94109900111.

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., 10393802500 + 707187649 = 101950^2 + 26593^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100990149 - 2⁴ = 11100990133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100990119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550495074 + 5550495075.

It is an arithmetic number, because the mean of its divisors is an integer number (5550495075).

Almost surely, 2^11100990149 is an apocalyptic number.

It is an amenable number.

11100990149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100990149 is an equidigital number, since it uses as much as digits as its factorization.

11100990149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 35.

The spelling of 11100990149 in words is "eleven billion, one hundred million, nine hundred ninety thousand, one hundred forty-nine".