215052023533 has 4 divisors (see below), whose sum is σ = 216071227648. Its totient is φ = 214032819420.

The previous prime is 215052023513. The next prime is 215052023569. The reversal of 215052023533 is 335320250512.

215052023533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 215052023533 - 2¹³ = 215052015341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215052023495 and 215052023504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215052023513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509601741 + ... + 509602162.

It is an arithmetic number, because the mean of its divisors is an integer number (54017806912).

Almost surely, 2^215052023533 is an apocalyptic number.

It is an amenable number.

215052023533 is a deficient number, since it is larger than the sum of its proper divisors (1019204115).

215052023533 is a wasteful number, since it uses less digits than its factorization.

215052023533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019204114.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 215052023533 in words is "two hundred fifteen billion, fifty-two million, twenty-three thousand, five hundred thirty-three".