11016391 has 6 divisors (see below), whose sum is σ = 11702840. Its totient is φ = 10368096.

The previous prime is 11016367. The next prime is 11016403. The reversal of 11016391 is 19361011.

It is a happy number.

It is not a de Polignac number, because 11016391 - 2⁷ = 11016263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11016301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18771 + ... + 19348.

Almost surely, 2^11016391 is an apocalyptic number.

11016391 is a deficient number, since it is larger than the sum of its proper divisors (686449).

11016391 is an equidigital number, since it uses as much as digits as its factorization.

11016391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38153 (or 38136 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 11016391 is about 3319.0949067479. The cubic root of 11016391 is about 222.5084186521.

The spelling of 11016391 in words is "eleven million, sixteen thousand, three hundred ninety-one".