115203202200 has 144 divisors (see below), whose sum is σ = 396327367800. Its totient is φ = 29971545600.

The previous prime is 115203202141. The next prime is 115203202207. The reversal of 115203202200 is 2202302511.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115203202207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 706710 + ... + 854309.

Almost surely, 2^115203202200 is an apocalyptic number.

115203202200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115203202200 is an abundant number, since it is smaller than the sum of its proper divisors (281124165600).

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

115203202200 is a wasteful number, since it uses less digits than its factorization.

115203202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561082 (or 1561070 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 115203202200 its reverse (2202302511), we get a palindrome (117405504711).

The spelling of 115203202200 in words is "one hundred fifteen billion, two hundred three million, two hundred two thousand, two hundred".