11123404020149 has 2 divisors, whose sum is σ = 11123404020150. Its totient is φ = 11123404020148.

The previous prime is 11123404020139. The next prime is 11123404020199. The reversal of 11123404020149 is 94102040432111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6182533060900 + 4940870959249 = 2486470^2 + 2222807^2 .

It is an emirp because it is prime and its reverse (94102040432111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11123404020149 - 2²⁰ = 11123402971573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123404020109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561702010074 + 5561702010075.

It is an arithmetic number, because the mean of its divisors is an integer number (5561702010075).

Almost surely, 2^{11123404020149} is an apocalyptic number.

It is an amenable number.

11123404020149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123404020149 is an equidigital number, since it uses as much as digits as its factorization.

11123404020149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 11123404020149 in words is "eleven trillion, one hundred twenty-three billion, four hundred four million, twenty thousand, one hundred forty-nine".