11995910419 has 2 divisors, whose sum is σ = 11995910420. Its totient is φ = 11995910418.

The previous prime is 11995910411. The next prime is 11995910431. The reversal of 11995910419 is 91401959911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11995910419 - 2³ = 11995910411 is a prime.

It is a super-2 number, since 2×11995910419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11995910411) 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, 5997955209 + 5997955210.

It is an arithmetic number, because the mean of its divisors is an integer number (5997955210).

Almost surely, 2^11995910419 is an apocalyptic number.

11995910419 is a deficient number, since it is larger than the sum of its proper divisors (1).

11995910419 is an equidigital number, since it uses as much as digits as its factorization.

11995910419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 49.

The spelling of 11995910419 in words is "eleven billion, nine hundred ninety-five million, nine hundred ten thousand, four hundred nineteen".