11112000019 has 2 divisors, whose sum is σ = 11112000020. Its totient is φ = 11112000018.

The previous prime is 11111999953. The next prime is 11112000041. The reversal of 11112000019 is 91000021111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11112000019 - 2²³ = 11103611411 is a prime.

It is a super-2 number, since 2×11112000019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11111999966 and 11112000011.

It is not a weakly prime, because it can be changed into another prime (11112000059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556000009 + 5556000010.

It is an arithmetic number, because the mean of its divisors is an integer number (5556000010).

Almost surely, 2^11112000019 is an apocalyptic number.

11112000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112000019 is an equidigital number, since it uses as much as digits as its factorization.

11112000019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 11112000019 in words is "eleven billion, one hundred twelve million, nineteen", and thus it is an aban number.