215299647552 has 56 divisors (see below), whose sum is σ = 621433079712. Its totient is φ = 65242316800.

The previous prime is 215299647539. The next prime is 215299647557. The reversal of 215299647552 is 255746992512.

215299647552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 215299647492 and 215299647501.

It is not an unprimeable number, because it can be changed into a prime (215299647557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50968449 + ... + 50972672.

Almost surely, 2^215299647552 is an apocalyptic number.

215299647552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

215299647552 is an abundant number, since it is smaller than the sum of its proper divisors (406133432160).

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

215299647552 is a wasteful number, since it uses less digits than its factorization.

215299647552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101941147 (or 101941137 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 57.

The spelling of 215299647552 in words is "two hundred fifteen billion, two hundred ninety-nine million, six hundred forty-seven thousand, five hundred fifty-two".