18282820011 has 4 divisors (see below), whose sum is σ = 24377093352. Its totient is φ = 12188546672.

The previous prime is 18282820007. The next prime is 18282820013. The reversal of 18282820011 is 11002828281.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18282820011 - 2² = 18282820007 is a prime.

It is a super-3 number, since 3×18282820011³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18282820013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3047136666 + ... + 3047136671.

It is an arithmetic number, because the mean of its divisors is an integer number (6094273338).

Almost surely, 2^18282820011 is an apocalyptic number.

18282820011 is a deficient number, since it is larger than the sum of its proper divisors (6094273341).

18282820011 is an equidigital number, since it uses as much as digits as its factorization.

18282820011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6094273340.

The product of its (nonzero) digits is 4096, while the sum is 33.

The spelling of 18282820011 in words is "eighteen billion, two hundred eighty-two million, eight hundred twenty thousand, eleven".