11912893319 has 2 divisors, whose sum is σ = 11912893320. Its totient is φ = 11912893318.

The previous prime is 11912893303. The next prime is 11912893357. The reversal of 11912893319 is 91339821911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11912893319 - 2⁴ = 11912893303 is a prime.

It is a super-2 number, since 2×11912893319² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11912893519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5956446659 + 5956446660.

It is an arithmetic number, because the mean of its divisors is an integer number (5956446660).

Almost surely, 2^11912893319 is an apocalyptic number.

11912893319 is a deficient number, since it is larger than the sum of its proper divisors (1).

11912893319 is an equidigital number, since it uses as much as digits as its factorization.

11912893319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 47.

The spelling of 11912893319 in words is "eleven billion, nine hundred twelve million, eight hundred ninety-three thousand, three hundred nineteen".