11811962119 has 2 divisors, whose sum is σ = 11811962120. Its totient is φ = 11811962118.

The previous prime is 11811962081. The next prime is 11811962137. The reversal of 11811962119 is 91126911811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11811962119 - 2⁷ = 11811961991 is a prime.

It is a super-2 number, since 2×11811962119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11811942119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5905981059 + 5905981060.

It is an arithmetic number, because the mean of its divisors is an integer number (5905981060).

Almost surely, 2^11811962119 is an apocalyptic number.

11811962119 is a deficient number, since it is larger than the sum of its proper divisors (1).

11811962119 is an equidigital number, since it uses as much as digits as its factorization.

11811962119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 40.

The spelling of 11811962119 in words is "eleven billion, eight hundred eleven million, nine hundred sixty-two thousand, one hundred nineteen".