11919749059 has 2 divisors, whose sum is σ = 11919749060. Its totient is φ = 11919749058.

The previous prime is 11919748999. The next prime is 11919749063. The reversal of 11919749059 is 95094791911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11919749059 - 2⁷ = 11919748931 is a prime.

It is not a weakly prime, because it can be changed into another prime (11919749089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5959874529 + 5959874530.

It is an arithmetic number, because the mean of its divisors is an integer number (5959874530).

Almost surely, 2^11919749059 is an apocalyptic number.

11919749059 is a deficient number, since it is larger than the sum of its proper divisors (1).

11919749059 is an equidigital number, since it uses as much as digits as its factorization.

11919749059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 918540, while the sum is 55.

The spelling of 11919749059 in words is "eleven billion, nine hundred nineteen million, seven hundred forty-nine thousand, fifty-nine".