11112013819 has 2 divisors, whose sum is σ = 11112013820. Its totient is φ = 11112013818.

The previous prime is 11112013817. The next prime is 11112013859. The reversal of 11112013819 is 91831021111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11112013819 - 2¹ = 11112013817 is a prime.

It is a super-2 number, since 2×11112013819² (a number of 21 digits) contains 22 as substring.

Together with 11112013817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11112013813) 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, 5556006909 + 5556006910.

It is an arithmetic number, because the mean of its divisors is an integer number (5556006910).

Almost surely, 2^11112013819 is an apocalyptic number.

11112013819 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112013819 is an equidigital number, since it uses as much as digits as its factorization.

11112013819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 28.

The spelling of 11112013819 in words is "eleven billion, one hundred twelve million, thirteen thousand, eight hundred nineteen".