11256326519 has 2 divisors, whose sum is σ = 11256326520. Its totient is φ = 11256326518.

The previous prime is 11256326513. The next prime is 11256326533. The reversal of 11256326519 is 91562365211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11256326519 - 2¹² = 11256322423 is a prime.

It is a super-2 number, since 2×11256326519² (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 (11256326513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628163259 + 5628163260.

It is an arithmetic number, because the mean of its divisors is an integer number (5628163260).

Almost surely, 2^11256326519 is an apocalyptic number.

11256326519 is a deficient number, since it is larger than the sum of its proper divisors (1).

11256326519 is an equidigital number, since it uses as much as digits as its factorization.

11256326519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 41.

The spelling of 11256326519 in words is "eleven billion, two hundred fifty-six million, three hundred twenty-six thousand, five hundred nineteen".