18025446801 has 8 divisors (see below), whose sum is σ = 24038683264. Its totient is φ = 12014587440.

The previous prime is 18025446787. The next prime is 18025446809. The reversal of 18025446801 is 10864452081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18025446801 - 2⁹ = 18025446289 is a prime.

It is a super-2 number, since 2×18025446801² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18025446801.

It is not an unprimeable number, because it can be changed into a prime (18025446809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576505 + ... + 606966.

It is an arithmetic number, because the mean of its divisors is an integer number (3004835408).

Almost surely, 2^18025446801 is an apocalyptic number.

It is an amenable number.

18025446801 is a deficient number, since it is larger than the sum of its proper divisors (6013236463).

18025446801 is a wasteful number, since it uses less digits than its factorization.

18025446801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188551.

The product of its (nonzero) digits is 61440, while the sum is 39.

Adding to 18025446801 its reverse (10864452081), we get a palindrome (28889898882).

The spelling of 18025446801 in words is "eighteen billion, twenty-five million, four hundred forty-six thousand, eight hundred one".