18141678087500 has 432 divisors, whose sum is σ = 47639283390720. Its totient is φ = 5977580400000.

The previous prime is 18141678087409. The next prime is 18141678087509. The reversal of 18141678087500 is 578087614181.

It is not an unprimeable number, because it can be changed into a prime (18141678087509) 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 143 ways as a sum of consecutive naturals, for example, 1382005937 + ... + 1382019063.

It is an arithmetic number, because the mean of its divisors is an integer number (110276118960).

Almost surely, 2^{18141678087500} is an apocalyptic number.

18141678087500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18141678087500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23819641695360).

18141678087500 is an abundant number, since it is smaller than the sum of its proper divisors (29497605303220).

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

18141678087500 is a wasteful number, since it uses less digits than its factorization.

18141678087500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13232 (or 13187 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 56.

The spelling of 18141678087500 in words is "eighteen trillion, one hundred forty-one billion, six hundred seventy-eight million, eighty-seven thousand, five hundred".