215030503116 has 288 divisors, whose sum is σ = 661117847040. Its totient is φ = 60038478720.

The previous prime is 215030503069. The next prime is 215030503147. The reversal of 215030503116 is 611305030512.

215030503116 is a `hidden beast` number, since 2 + 15 + 0 + 30 + 503 + 116 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 215030503116.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 150686395 + ... + 150687821.

It is an arithmetic number, because the mean of its divisors is an integer number (2295548080).

Almost surely, 2^215030503116 is an apocalyptic number.

215030503116 is a gapful number since it is divisible by the number (26) 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 215030503116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330558923520).

215030503116 is an abundant number, since it is smaller than the sum of its proper divisors (446087343924).

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

215030503116 is a wasteful number, since it uses less digits than its factorization.

215030503116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362 (or 2343 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 215030503116 its reverse (611305030512), we get a palindrome (826335533628).

The spelling of 215030503116 in words is "two hundred fifteen billion, thirty million, five hundred three thousand, one hundred sixteen".