215522152450000 has 120 divisors (see below), whose sum is σ = 569382881850720. Its totient is φ = 78371691600000.

The previous prime is 215522152449977. The next prime is 215522152450043. The reversal of 215522152450000 is 54251225512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195379230 + ... + 196479229.

It is an arithmetic number, because the mean of its divisors is an integer number (4744857348756).

Almost surely, 2^{215522152450000} is an apocalyptic number.

215522152450000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215522152450000 is an abundant number, since it is smaller than the sum of its proper divisors (353860729400720).

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

215522152450000 is an equidigital number, since it uses as much as digits as its factorization.

215522152450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391858503 (or 391858477 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 215522152450000 in words is "two hundred fifteen trillion, five hundred twenty-two billion, one hundred fifty-two million, four hundred fifty thousand".