2018797051855 has 16 divisors (see below), whose sum is σ = 2457398754720. Its totient is φ = 1591839295488.

The previous prime is 2018797051853. The next prime is 2018797051949. The reversal of 2018797051855 is 5581507978102.

It is a cyclic number.

It is not a de Polignac number, because 2018797051855 - 2¹ = 2018797051853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2018797051855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018797051853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323490 + ... + 2406079.

It is an arithmetic number, because the mean of its divisors is an integer number (153587422170).

Almost surely, 2^{2018797051855} is an apocalyptic number.

2018797051855 is a deficient number, since it is larger than the sum of its proper divisors (438601702865).

2018797051855 is a wasteful number, since it uses less digits than its factorization.

2018797051855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731130.

The product of its (nonzero) digits is 7056000, while the sum is 58.

The spelling of 2018797051855 in words is "two trillion, eighteen billion, seven hundred ninety-seven million, fifty-one thousand, eight hundred fifty-five".