11001982 has 16 divisors (see below), whose sum is σ = 16837632. Its totient is φ = 5390680.

The previous prime is 11001973. The next prime is 11001983. The reversal of 11001982 is 28910011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31533 + ... + 31879.

It is an arithmetic number, because the mean of its divisors is an integer number (1052352).

Almost surely, 2^11001982 is an apocalyptic number.

11001982 is a deficient number, since it is larger than the sum of its proper divisors (5835650).

11001982 is a wasteful number, since it uses less digits than its factorization.

11001982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 11001982 is about 3316.9235746396. The cubic root of 11001982 is about 222.4113656140.

Adding to 11001982 its reverse (28910011), we get a palindrome (39911993).

The spelling of 11001982 in words is "eleven million, one thousand, nine hundred eighty-two".