11120291 has 8 divisors (see below), whose sum is σ = 13686624. Its totient is φ = 8798400.

The previous prime is 11120287. The next prime is 11120297. The reversal of 11120291 is 19202111.

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

It is not a de Polignac number, because 11120291 - 2² = 11120287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11120297) 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 7 ways as a sum of consecutive naturals, for example, 61010 + ... + 61191.

It is an arithmetic number, because the mean of its divisors is an integer number (1710828).

Almost surely, 2^11120291 is an apocalyptic number.

11120291 is a deficient number, since it is larger than the sum of its proper divisors (2566333).

11120291 is a wasteful number, since it uses less digits than its factorization.

11120291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122221.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 11120291 is about 3334.7100323716. The cubic root of 11120291 is about 223.2057529788.

It can be divided in two parts, 11120 and 291, that added together give a palindrome (11411).

The spelling of 11120291 in words is "eleven million, one hundred twenty thousand, two hundred ninety-one".