18105026757384 has 128 divisors (see below), whose sum is σ = 55839020544000. Its totient is φ = 4777338365184.

The previous prime is 18105026757383. The next prime is 18105026757427. The reversal of 18105026757384 is 48375762050181.

It is not an unprimeable number, because it can be changed into a prime (18105026757383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80673564 + ... + 80897675.

It is an arithmetic number, because the mean of its divisors is an integer number (436242348000).

Almost surely, 2^{18105026757384} is an apocalyptic number.

18105026757384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18105026757384 is an abundant number, since it is smaller than the sum of its proper divisors (37733993786616).

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

18105026757384 is a wasteful number, since it uses less digits than its factorization.

18105026757384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161571307 (or 161571303 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 18105026757384 in words is "eighteen trillion, one hundred five billion, twenty-six million, seven hundred fifty-seven thousand, three hundred eighty-four".