18061845060853 has 8 divisors (see below), whose sum is σ = 19705168183680. Its totient is φ = 16418744806080.

The previous prime is 18061845060821. The next prime is 18061845060859. The reversal of 18061845060853 is 35806054816081.

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

It is a cyclic number.

It is not a de Polignac number, because 18061845060853 - 2⁵ = 18061845060821 is a prime.

It is a super-2 number, since 2×18061845060853² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18061845060794 and 18061845060803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18061845060859) 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, 55547533 + ... + 55871746.

It is an arithmetic number, because the mean of its divisors is an integer number (2463146022960).

Almost surely, 2^{18061845060853} is an apocalyptic number.

It is an amenable number.

18061845060853 is a deficient number, since it is larger than the sum of its proper divisors (1643323122827).

18061845060853 is a wasteful number, since it uses less digits than its factorization.

18061845060853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111434027.

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 18061845060853 in words is "eighteen trillion, sixty-one billion, eight hundred forty-five million, sixty thousand, eight hundred fifty-three".