11109538 has 16 divisors (see below), whose sum is σ = 18453024. Its totient is φ = 4973760.

The previous prime is 11109521. The next prime is 11109557. The reversal of 11109538 is 83590111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2295 + ... + 5242.

It is an arithmetic number, because the mean of its divisors is an integer number (1153314).

Almost surely, 2^11109538 is an apocalyptic number.

11109538 is a deficient number, since it is larger than the sum of its proper divisors (7343486).

11109538 is a wasteful number, since it uses less digits than its factorization.

11109538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7617.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 11109538 is about 3333.0973583140. The cubic root of 11109538 is about 223.1337852729.

Adding to 11109538 its reverse (83590111), we get a palindrome (94699649).

It can be divided in two parts, 1110 and 9538, that added together give a cube (10648 = 22³).

The spelling of 11109538 in words is "eleven million, one hundred nine thousand, five hundred thirty-eight".