215353410272 has 96 divisors (see below), whose sum is σ = 569255952384. Its totient is φ = 77449766400.

The previous prime is 215353410269. The next prime is 215353410281. The reversal of 215353410272 is 272014353512.

It is a super-2 number, since 2×215353410272² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3329504 + ... + 3393567.

It is an arithmetic number, because the mean of its divisors is an integer number (5929749504).

Almost surely, 2^215353410272 is an apocalyptic number.

215353410272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

215353410272 is an abundant number, since it is smaller than the sum of its proper divisors (353902542112).

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

215353410272 is a wasteful number, since it uses less digits than its factorization.

215353410272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723112 (or 6723104 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 215353410272 its reverse (272014353512), we get a palindrome (487367763784).

The spelling of 215353410272 in words is "two hundred fifteen billion, three hundred fifty-three million, four hundred ten thousand, two hundred seventy-two".