11191016 has 16 divisors (see below), whose sum is σ = 21035940. Its totient is φ = 5581440.

The previous prime is 11191009. The next prime is 11191027. The reversal of 11191016 is 61019111.

It can be written as a sum of positive squares in 2 ways, for example, as 8726116 + 2464900 = 2954^2 + 1570^2 .

It is a super-2 number, since 2×11191016² = 250477678224512, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2126 + ... + 5186.

Almost surely, 2^11191016 is an apocalyptic number.

It is an amenable number.

11191016 is a deficient number, since it is larger than the sum of its proper divisors (9844924).

11191016 is a wasteful number, since it uses less digits than its factorization.

11191016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524 (or 3520 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 20.

The square root of 11191016 is about 3345.2975951326. The cubic root of 11191016 is about 223.6779491906.

The spelling of 11191016 in words is "eleven million, one hundred ninety-one thousand, sixteen".