11931116 has 6 divisors (see below), whose sum is σ = 20879460. Its totient is φ = 5965556.

The previous prime is 11931113. The next prime is 11931121. The reversal of 11931116 is 61113911.

It is a junction number, because it is equal to n+sod(n) for n = 11931091 and 11931100.

It is not an unprimeable number, because it can be changed into a prime (11931113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1491386 + ... + 1491393.

It is an arithmetic number, because the mean of its divisors is an integer number (3479910).

Almost surely, 2^11931116 is an apocalyptic number.

It is an amenable number.

11931116 is a deficient number, since it is larger than the sum of its proper divisors (8948344).

11931116 is a wasteful number, since it uses less digits than its factorization.

11931116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982783 (or 2982781 counting only the distinct ones).

The product of its digits is 162, while the sum is 23.

The square root of 11931116 is about 3454.1447566655. The cubic root of 11931116 is about 228.5039381842.

The spelling of 11931116 in words is "eleven million, nine hundred thirty-one thousand, one hundred sixteen".