215113200 has 60 divisors (see below), whose sum is σ = 689083128. Its totient is φ = 57363200.

The previous prime is 215113187. The next prime is 215113207. The reversal of 215113200 is 2311512.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 215113200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215113207) 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, 88431 + ... + 90830.

Almost surely, 2^215113200 is an apocalyptic number.

215113200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215113200 is an abundant number, since it is smaller than the sum of its proper divisors (473969928).

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

215113200 is a wasteful number, since it uses less digits than its factorization.

215113200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179282 (or 179271 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 215113200 is about 14666.7378786150. The cubic root of 215113200 is about 599.1777626131.

Adding to 215113200 its reverse (2311512), we get a palindrome (217424712).

It can be divided in two parts, 2151 and 13200, that added together give a palindrome (15351).

The spelling of 215113200 in words is "two hundred fifteen million, one hundred thirteen thousand, two hundred".