11099071 has 4 divisors (see below), whose sum is σ = 11106144. Its totient is φ = 11092000.

The previous prime is 11099063. The next prime is 11099107. The reversal of 11099071 is 17099011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17099011 = 31 ⋅551581.

It is a cyclic number.

It is not a de Polignac number, because 11099071 - 2³ = 11099063 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 (11099051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10 + ... + 4711.

It is an arithmetic number, because the mean of its divisors is an integer number (2776536).

Almost surely, 2^11099071 is an apocalyptic number.

11099071 is a deficient number, since it is larger than the sum of its proper divisors (7073).

11099071 is an equidigital number, since it uses as much as digits as its factorization.

11099071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7072.

The product of its (nonzero) digits is 567, while the sum is 28.

The square root of 11099071 is about 3331.5268271470. The cubic root of 11099071 is about 223.0636870924.

The spelling of 11099071 in words is "eleven million, ninety-nine thousand, seventy-one".