11240019 has 16 divisors (see below), whose sum is σ = 19031040. Its totient is φ = 6422760.

The previous prime is 11240017. The next prime is 11240051. The reversal of 11240019 is 91004211.

It is not a de Polignac number, because 11240019 - 2¹ = 11240017 is a prime.

It is a super-2 number, since 2×11240019² = 252676054240722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11239983 and 11240010.

It is not an unprimeable number, because it can be changed into a prime (11240017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29547 + ... + 29924.

It is an arithmetic number, because the mean of its divisors is an integer number (1189440).

Almost surely, 2^11240019 is an apocalyptic number.

11240019 is a deficient number, since it is larger than the sum of its proper divisors (7791021).

11240019 is an equidigital number, since it uses as much as digits as its factorization.

11240019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59487 (or 59481 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11240019 is about 3352.6137564593. The cubic root of 11240019 is about 224.0039526832.

The spelling of 11240019 in words is "eleven million, two hundred forty thousand, nineteen".