11042919 has 8 divisors (see below), whose sum is σ = 16359920. Its totient is φ = 7361928.

The previous prime is 11042917. The next prime is 11042947. The reversal of 11042919 is 91924011.

It is not a de Polignac number, because 11042919 - 2¹ = 11042917 is a prime.

It is a super-2 number, since 2×11042919² = 243892120081122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 408997 = 11042919 / (1 + 1 + 0 + 4 + 2 + 9 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11042892 and 11042901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204472 + ... + 204525.

It is an arithmetic number, because the mean of its divisors is an integer number (2044990).

Almost surely, 2^11042919 is an apocalyptic number.

11042919 is a deficient number, since it is larger than the sum of its proper divisors (5317001).

11042919 is an equidigital number, since it uses as much as digits as its factorization.

11042919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409006 (or 409000 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 11042919 is about 3323.0887740173. The cubic root of 11042919 is about 222.6868791437.

The spelling of 11042919 in words is "eleven million, forty-two thousand, nine hundred nineteen".