11142030149 has 2 divisors, whose sum is σ = 11142030150. Its totient is φ = 11142030148.

The previous prime is 11142030131. The next prime is 11142030209. The reversal of 11142030149 is 94103024111.

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., 7635613924 + 3506416225 = 87382^2 + 59215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11142030149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11142030049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571015074 + 5571015075.

It is an arithmetic number, because the mean of its divisors is an integer number (5571015075).

Almost surely, 2^11142030149 is an apocalyptic number.

It is an amenable number.

11142030149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142030149 is an equidigital number, since it uses as much as digits as its factorization.

11142030149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 11142030149 in words is "eleven billion, one hundred forty-two million, thirty thousand, one hundred forty-nine".