215052293453824 has 48 divisors (see below), whose sum is σ = 437287709640600. Its totient is φ = 105703669604352.

The previous prime is 215052293453821. The next prime is 215052293453839. The reversal of 215052293453824 is 428354392250512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215052293453821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889760547 + ... + 890002210.

Almost surely, 2^{215052293453824} is an apocalyptic number.

It is an amenable number.

215052293453824 is an abundant number, since it is smaller than the sum of its proper divisors (222235416186776).

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

215052293453824 is an equidigital number, since it uses as much as digits as its factorization.

215052293453824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779762838 (or 1779762818 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 55.

The spelling of 215052293453824 in words is "two hundred fifteen trillion, fifty-two billion, two hundred ninety-three million, four hundred fifty-three thousand, eight hundred twenty-four".