117285143800 has 96 divisors (see below), whose sum is σ = 298778086800. Its totient is φ = 42462720000.

The previous prime is 117285143797. The next prime is 117285143831. The reversal of 117285143800 is 8341582711.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 387400 + ... + 620200.

Almost surely, 2^117285143800 is an apocalyptic number.

117285143800 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 117285143800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149389043400).

117285143800 is an abundant number, since it is smaller than the sum of its proper divisors (181492943000).

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

117285143800 is a wasteful number, since it uses less digits than its factorization.

117285143800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233057 (or 233048 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 117285143800 in words is "one hundred seventeen billion, two hundred eighty-five million, one hundred forty-three thousand, eight hundred".