18601140000 has 120 divisors (see below), whose sum is σ = 61015656240. Its totient is φ = 4960288000.

The previous prime is 18601139987. The next prime is 18601140091. The reversal of 18601140000 is 4110681.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 95010 + ... + 215009.

It is an arithmetic number, because the mean of its divisors is an integer number (508463802).

Almost surely, 2^18601140000 is an apocalyptic number.

18601140000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18601140000 is an abundant number, since it is smaller than the sum of its proper divisors (42414516240).

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

18601140000 is an equidigital number, since it uses as much as digits as its factorization.

18601140000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310052 (or 310029 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 18601140000 its reverse (4110681), we get a palindrome (18605250681).

The spelling of 18601140000 in words is "eighteen billion, six hundred one million, one hundred forty thousand".