215153227080 has 640 divisors, whose sum is σ = 819374054400. Its totient is φ = 50164531200.

The previous prime is 215153227057. The next prime is 215153227169. The reversal of 215153227080 is 80722351512.

215153227080 is a `hidden beast` number, since 2 + 1 + 51 + 532 + 2 + 70 + 8 + 0 = 666.

It is a super-2 number, since 2×215153227080² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 213233616 + ... + 213234624.

It is an arithmetic number, because the mean of its divisors is an integer number (1280271960).

Almost surely, 2^215153227080 is an apocalyptic number.

215153227080 is a gapful number since it is divisible by the number (20) 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 215153227080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409687027200).

215153227080 is an abundant number, since it is smaller than the sum of its proper divisors (604220827320).

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

215153227080 is a wasteful number, since it uses less digits than its factorization.

215153227080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

Adding to 215153227080 its reverse (80722351512), we get a palindrome (295875578592).

The spelling of 215153227080 in words is "two hundred fifteen billion, one hundred fifty-three million, two hundred twenty-seven thousand, eighty".