11862289919 has 2 divisors, whose sum is σ = 11862289920. Its totient is φ = 11862289918.

The previous prime is 11862289897. The next prime is 11862289939. The reversal of 11862289919 is 91998226811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11862289919 is a prime.

It is a super-2 number, since 2×11862289919² (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 (11862289939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5931144959 + 5931144960.

It is an arithmetic number, because the mean of its divisors is an integer number (5931144960).

Almost surely, 2^11862289919 is an apocalyptic number.

11862289919 is a deficient number, since it is larger than the sum of its proper divisors (1).

11862289919 is an equidigital number, since it uses as much as digits as its factorization.

11862289919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 56.

The spelling of 11862289919 in words is "eleven billion, eight hundred sixty-two million, two hundred eighty-nine thousand, nine hundred nineteen".