11118961 has 4 divisors (see below), whose sum is σ = 12707392. Its totient is φ = 9530532.

The previous prime is 11118941. The next prime is 11118967. The reversal of 11118961 is 16981111.

11118961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11118961 - 2¹¹ = 11116913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11118967) 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, 794205 + ... + 794218.

It is an arithmetic number, because the mean of its divisors is an integer number (3176848).

Almost surely, 2^11118961 is an apocalyptic number.

It is an amenable number.

11118961 is a deficient number, since it is larger than the sum of its proper divisors (1588431).

11118961 is an equidigital number, since it uses as much as digits as its factorization.

11118961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588430.

The product of its digits is 432, while the sum is 28.

The square root of 11118961 is about 3334.5106087700. The cubic root of 11118961 is about 223.1968540664.

The spelling of 11118961 in words is "eleven million, one hundred eighteen thousand, nine hundred sixty-one".