11000019 has 16 divisors (see below), whose sum is σ = 15436800. Its totient is φ = 6957216.

The previous prime is 10999997. The next prime is 11000027. The reversal of 11000019 is 91000011.

It is not a de Polignac number, because 11000019 - 2⁵ = 10999987 is a prime.

It is a super-2 number, since 2×11000019² = 242000836000722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10999968 and 11000013.

It is not an unprimeable number, because it can be changed into a prime (11000089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4062 + ... + 6204.

It is an arithmetic number, because the mean of its divisors is an integer number (964800).

Almost surely, 2^11000019 is an apocalyptic number.

11000019 is a deficient number, since it is larger than the sum of its proper divisors (4436781).

11000019 is a wasteful number, since it uses less digits than its factorization.

11000019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 11000019 is about 3316.6276547119. The cubic root of 11000019 is about 222.3981371042.

The spelling of 11000019 in words is "eleven million, nineteen", and thus it is an aban number and an uban number.