609111360000 has 3200 divisors, whose sum is σ = 2899276934400. Its totient is φ = 123863040000.

The previous prime is 609111359999. The next prime is 609111360023. The reversal of 609111360000 is 63111906.

It is a tau number, because it is divible by the number of its divisors (3200).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 319 ways as a sum of consecutive naturals, for example, 21003839986 + ... + 21003840014.

It is an arithmetic number, because the mean of its divisors is an integer number (906024042).

Almost surely, 2^609111360000 is an apocalyptic number.

609111360000 is a gapful number since it is divisible by the number (60) 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 609111360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449638467200).

609111360000 is an abundant number, since it is smaller than the sum of its proper divisors (2290165574400).

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

609111360000 is a wasteful number, since it uses less digits than its factorization.

609111360000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

Adding to 609111360000 its reverse (63111906), we get a palindrome (609174471906).

The spelling of 609111360000 in words is "six hundred nine billion, one hundred eleven million, three hundred sixty thousand".