215522451325160 has 64 divisors (see below), whose sum is σ = 561792378067200. Its totient is φ = 72881173357056.

The previous prime is 215522451325147. The next prime is 215522451325199. The reversal of 215522451325160 is 61523154225512.

It is a super-2 number, since 2×215522451325160² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5272055180 + ... + 5272096059.

It is an arithmetic number, because the mean of its divisors is an integer number (8778005907300).

Almost surely, 2^{215522451325160} is an apocalyptic number.

215522451325160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215522451325160 is an abundant number, since it is smaller than the sum of its proper divisors (346269926742040).

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

215522451325160 is a wasteful number, since it uses less digits than its factorization.

215522451325160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10544151330 (or 10544151326 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 215522451325160 in words is "two hundred fifteen trillion, five hundred twenty-two billion, four hundred fifty-one million, three hundred twenty-five thousand, one hundred sixty".