8018854551381 has 32 divisors (see below), whose sum is σ = 10961793137152. Its totient is φ = 5211398243520.

The previous prime is 8018854551359. The next prime is 8018854551397. The reversal of 8018854551381 is 1831554588108.

It is not a de Polignac number, because 8018854551381 - 2⁶ = 8018854551317 is a prime.

It is a super-2 number, since 2×8018854551381² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8018854551181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584329986 + ... + 584343708.

It is an arithmetic number, because the mean of its divisors is an integer number (342556035536).

Almost surely, 2^{8018854551381} is an apocalyptic number.

It is an amenable number.

8018854551381 is a deficient number, since it is larger than the sum of its proper divisors (2942938585771).

8018854551381 is a wasteful number, since it uses less digits than its factorization.

8018854551381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22273.

The product of its (nonzero) digits is 6144000, while the sum is 57.

The spelling of 8018854551381 in words is "eight trillion, eighteen billion, eight hundred fifty-four million, five hundred fifty-one thousand, three hundred eighty-one".