18010080000 has 720 divisors, whose sum is σ = 72794198400. Its totient is φ = 4354560000.

The previous prime is 18010079981. The next prime is 18010080017. The reversal of 18010080000 is 8001081.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 47519811 + ... + 47520189.

Almost surely, 2^18010080000 is an apocalyptic number.

18010080000 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 18010080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36397099200).

18010080000 is an abundant number, since it is smaller than the sum of its proper divisors (54784118400).

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

18010080000 is an equidigital number, since it uses as much as digits as its factorization.

18010080000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 18010080000 its reverse (8001081), we get a palindrome (18018081081).

It can be divided in two parts, 180100 and 80000, that added together give a square (260100 = 510²).

The spelling of 18010080000 in words is "eighteen billion, ten million, eighty thousand".