215216365533 has 8 divisors (see below), whose sum is σ = 309028627488. Its totient is φ = 132440840304.

The previous prime is 215216365523. The next prime is 215216365549. The reversal of 215216365533 is 335563612512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 215216365533 - 2⁴ = 215216365517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215216365523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2759184135 + ... + 2759184212.

It is an arithmetic number, because the mean of its divisors is an integer number (38628578436).

Almost surely, 2^215216365533 is an apocalyptic number.

It is an amenable number.

215216365533 is a deficient number, since it is larger than the sum of its proper divisors (93812261955).

215216365533 is a wasteful number, since it uses less digits than its factorization.

215216365533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518368363.

The product of its digits is 486000, while the sum is 42.

The spelling of 215216365533 in words is "two hundred fifteen billion, two hundred sixteen million, three hundred sixty-five thousand, five hundred thirty-three".