18803856153601 has 8 divisors (see below), whose sum is σ = 18854193930624. Its totient is φ = 18753561422640.

The previous prime is 18803856153583. The next prime is 18803856153617. The reversal of 18803856153601 is 10635165830881.

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 18803856153601 - 2⁵ = 18803856153569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18803856153101) 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, 9886590 + ... + 11634103.

It is an arithmetic number, because the mean of its divisors is an integer number (2356774241328).

Almost surely, 2^{18803856153601} is an apocalyptic number.

It is an amenable number.

18803856153601 is a deficient number, since it is larger than the sum of its proper divisors (50337777023).

18803856153601 is a wasteful number, since it uses less digits than its factorization.

18803856153601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21523031.

The product of its (nonzero) digits is 4147200, while the sum is 55.

The spelling of 18803856153601 in words is "eighteen trillion, eight hundred three billion, eight hundred fifty-six million, one hundred fifty-three thousand, six hundred one".