853620118578001 has 4 divisors (see below), whose sum is σ = 853636353631600. Its totient is φ = 853603883524404.

The previous prime is 853620118577927. The next prime is 853620118578013. The reversal of 853620118578001 is 100875811026358.

853620118578001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 853620118578001 - 2⁷ = 853620118577873 is a prime.

It is a super-2 number, since 2×853620118578001² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853620118578091) 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, 8117447931 + ... + 8117553088.

It is an arithmetic number, because the mean of its divisors is an integer number (213409088407900).

Almost surely, 2^{853620118578001} is an apocalyptic number.

It is an amenable number.

853620118578001 is a deficient number, since it is larger than the sum of its proper divisors (16235053599).

853620118578001 is a wasteful number, since it uses less digits than its factorization.

853620118578001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16235053598.

The product of its (nonzero) digits is 3225600, while the sum is 55.

The spelling of 853620118578001 in words is "eight hundred fifty-three trillion, six hundred twenty billion, one hundred eighteen million, five hundred seventy-eight thousand, one".