11198791 has 8 divisors (see below), whose sum is σ = 11548944. Its totient is φ = 10852800.

The previous prime is 11198749. The next prime is 11198819. The reversal of 11198791 is 19789111.

11198791 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11198791 - 2¹¹ = 11196743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11198791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11198701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4941 + ... + 6841.

It is an arithmetic number, because the mean of its divisors is an integer number (1443618).

Almost surely, 2^11198791 is an apocalyptic number.

11198791 is a deficient number, since it is larger than the sum of its proper divisors (350153).

11198791 is a wasteful number, since it uses less digits than its factorization.

11198791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081.

The product of its digits is 4536, while the sum is 37.

The square root of 11198791 is about 3346.4594723379. The cubic root of 11198791 is about 223.7297375615.

The spelling of 11198791 in words is "eleven million, one hundred ninety-eight thousand, seven hundred ninety-one".