11000001982 has 4 divisors (see below), whose sum is σ = 16500002976. Its totient is φ = 5500000990.

The previous prime is 11000001953. The next prime is 11000001983. The reversal of 11000001982 is 28910000011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28910000011 = 269 ⋅107472119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000001983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750000494 + ... + 2750000497.

It is an arithmetic number, because the mean of its divisors is an integer number (4125000744).

Almost surely, 2^11000001982 is an apocalyptic number.

11000001982 is a deficient number, since it is larger than the sum of its proper divisors (5500000994).

11000001982 is an equidigital number, since it uses as much as digits as its factorization.

11000001982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500000993.

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

Adding to 11000001982 its reverse (28910000011), we get a palindrome (39910001993).

The spelling of 11000001982 in words is "eleven billion, one thousand, nine hundred eighty-two".