11716019 has 16 divisors (see below), whose sum is σ = 13824000. Its totient is φ = 9721824.

The previous prime is 11716007. The next prime is 11716063. The reversal of 11716019 is 91061711.

It is a de Polignac number, because none of the positive numbers 2^k-11716019 is a prime.

It is a super-2 number, since 2×11716019² = 274530202416722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11716099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48902 + ... + 49140.

It is an arithmetic number, because the mean of its divisors is an integer number (864000).

Almost surely, 2^11716019 is an apocalyptic number.

11716019 is a deficient number, since it is larger than the sum of its proper divisors (2107981).

11716019 is a wasteful number, since it uses less digits than its factorization.

11716019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442.

The product of its (nonzero) digits is 378, while the sum is 26.

The square root of 11716019 is about 3422.8670730836. The cubic root of 11716019 is about 227.1224280884.

The spelling of 11716019 in words is "eleven million, seven hundred sixteen thousand, nineteen".