18075021751752 has 128 divisors (see below), whose sum is σ = 53632634035200. Its totient is φ = 4968905534208.

The previous prime is 18075021751751. The next prime is 18075021751841. The reversal of 18075021751752 is 25715712057081.

It is a super-2 number, since 2×18075021751752² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18075021751695 and 18075021751704.

It is not an unprimeable number, because it can be changed into a prime (18075021751751) 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 31 ways as a sum of consecutive naturals, for example, 18188227 + ... + 19156242.

It is an arithmetic number, because the mean of its divisors is an integer number (419004953400).

Almost surely, 2^{18075021751752} is an apocalyptic number.

18075021751752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18075021751752 is an abundant number, since it is smaller than the sum of its proper divisors (35557612283448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18075021751752 is a wasteful number, since it uses less digits than its factorization.

18075021751752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37344595 (or 37344591 counting only the distinct ones).

The product of its (nonzero) digits is 1372000, while the sum is 51.

The spelling of 18075021751752 in words is "eighteen trillion, seventy-five billion, twenty-one million, seven hundred fifty-one thousand, seven hundred fifty-two".