11111098 has 16 divisors (see below), whose sum is σ = 17758440. Its totient is φ = 5195776.

The previous prime is 11111083. The next prime is 11111099. The reversal of 11111098 is 89011111.

11111098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11108889 + 2209 = 3333^2 + 47^2 .

It is not an unprimeable number, because it can be changed into a prime (11111099) 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, 4938 + ... + 6826.

Almost surely, 2^11111098 is an apocalyptic number.

11111098 is a deficient number, since it is larger than the sum of its proper divisors (6647342).

11111098 is a wasteful number, since it uses less digits than its factorization.

11111098 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 (nonzero) digits is 72, while the sum is 22.

The square root of 11111098 is about 3333.3313666661. The cubic root of 11111098 is about 223.1442289239.

It can be divided in two parts, 1111 and 1098, that added together give a square (2209 = 47²).

The spelling of 11111098 in words is "eleven million, one hundred eleven thousand, ninety-eight".