11109660 has 24 divisors (see below), whose sum is σ = 31107216. Its totient is φ = 2962560.

The previous prime is 11109643. The next prime is 11109671. The reversal of 11109660 is 6690111.

It is a self number, because there is not a number n which added to its sum of digits gives 11109660.

It is a congruent number.

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, 92521 + ... + 92640.

It is an arithmetic number, because the mean of its divisors is an integer number (1296134).

Almost surely, 2^11109660 is an apocalyptic number.

11109660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11109660 is an abundant number, since it is smaller than the sum of its proper divisors (19997556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11109660 is a wasteful number, since it uses less digits than its factorization.

11109660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185173 (or 185171 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 11109660 is about 3333.1156595594. The cubic root of 11109660 is about 223.1346020552.

Adding to 11109660 its reverse (6690111), we get a palindrome (17799771).

It can be divided in two parts, 111096 and 60, that added together give a triangular number (111156 = T₄₇₁).

The spelling of 11109660 in words is "eleven million, one hundred nine thousand, six hundred sixty".