11949290137 has 2 divisors, whose sum is σ = 11949290138. Its totient is φ = 11949290136.

The previous prime is 11949290063. The next prime is 11949290147. The reversal of 11949290137 is 73109294911.

11949290137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6830030736 + 5119259401 = 82644^2 + 71549^2 .

It is a cyclic number.

It is not a de Polignac number, because 11949290137 - 2¹⁹ = 11948765849 is a prime.

It is not a weakly prime, because it can be changed into another prime (11949290147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5974645068 + 5974645069.

It is an arithmetic number, because the mean of its divisors is an integer number (5974645069).

Almost surely, 2^11949290137 is an apocalyptic number.

It is an amenable number.

11949290137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11949290137 is an equidigital number, since it uses as much as digits as its factorization.

11949290137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 46.

The spelling of 11949290137 in words is "eleven billion, nine hundred forty-nine million, two hundred ninety thousand, one hundred thirty-seven".