11920193149 has 2 divisors, whose sum is σ = 11920193150. Its totient is φ = 11920193148.

The previous prime is 11920193119. The next prime is 11920193167. The reversal of 11920193149 is 94139102911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11888631225 + 31561924 = 109035^2 + 5618^2 .

It is a cyclic number.

It is not a de Polignac number, because 11920193149 - 2³¹ = 9772709501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11920193119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5960096574 + 5960096575.

It is an arithmetic number, because the mean of its divisors is an integer number (5960096575).

Almost surely, 2^11920193149 is an apocalyptic number.

It is an amenable number.

11920193149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11920193149 is an equidigital number, since it uses as much as digits as its factorization.

11920193149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 40.

The spelling of 11920193149 in words is "eleven billion, nine hundred twenty million, one hundred ninety-three thousand, one hundred forty-nine".