11421286519 has 2 divisors, whose sum is σ = 11421286520. Its totient is φ = 11421286518.

The previous prime is 11421286469. The next prime is 11421286553. The reversal of 11421286519 is 91568212411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11421286519 - 2⁷ = 11421286391 is a prime.

It is a super-2 number, since 2×11421286519² (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 (11421286619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710643259 + 5710643260.

It is an arithmetic number, because the mean of its divisors is an integer number (5710643260).

Almost surely, 2^11421286519 is an apocalyptic number.

11421286519 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421286519 is an equidigital number, since it uses as much as digits as its factorization.

11421286519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 40.

The spelling of 11421286519 in words is "eleven billion, four hundred twenty-one million, two hundred eighty-six thousand, five hundred nineteen".