11801116 has 12 divisors (see below), whose sum is σ = 21550032. Its totient is φ = 5643968.

The previous prime is 11801063. The next prime is 11801129. The reversal of 11801116 is 61110811.

It is a junction number, because it is equal to n+sod(n) for n = 11801093 and 11801102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64045 + ... + 64228.

It is an arithmetic number, because the mean of its divisors is an integer number (1795836).

Almost surely, 2^11801116 is an apocalyptic number.

It is an amenable number.

11801116 is a deficient number, since it is larger than the sum of its proper divisors (9748916).

11801116 is a wasteful number, since it uses less digits than its factorization.

11801116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128300 (or 128298 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 19.

The square root of 11801116 is about 3435.2752437032. The cubic root of 11801116 is about 227.6709884681.

Adding to 11801116 its reverse (61110811), we get a palindrome (72911927).

The spelling of 11801116 in words is "eleven million, eight hundred one thousand, one hundred sixteen".