11066778 has 24 divisors (see below), whose sum is σ = 25240800. Its totient is φ = 3494664.

The previous prime is 11066767. The next prime is 11066789. The reversal of 11066778 is 87766011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11066767) and next prime (11066789).

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 15838 + ... + 16521.

It is an arithmetic number, because the mean of its divisors is an integer number (1051700).

Almost surely, 2^11066778 is an apocalyptic number.

11066778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11066778 is an abundant number, since it is smaller than the sum of its proper divisors (14174022).

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

11066778 is a wasteful number, since it uses less digits than its factorization.

11066778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32386 (or 32383 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 11066778 is about 3326.6767200917. The cubic root of 11066778 is about 222.8471406472.

The spelling of 11066778 in words is "eleven million, sixty-six thousand, seven hundred seventy-eight".