180115800 has 48 divisors (see below), whose sum is σ = 558360840. Its totient is φ = 48030720.

The previous prime is 180115787. The next prime is 180115807. The reversal of 180115800 is 8511081.

180115800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180115807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149497 + ... + 150696.

Almost surely, 2^180115800 is an apocalyptic number.

180115800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180115800 is an abundant number, since it is smaller than the sum of its proper divisors (378245040).

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

180115800 is a wasteful number, since it uses less digits than its factorization.

180115800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300212 (or 300203 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 24.

The square root of 180115800 is about 13420.7227823244. The cubic root of 180115800 is about 564.7426713420.

Adding to 180115800 its reverse (8511081), we get a palindrome (188626881).

The spelling of 180115800 in words is "one hundred eighty million, one hundred fifteen thousand, eight hundred".