215234535013 has 8 divisors (see below), whose sum is σ = 215443952640. Its totient is φ = 215025185760.

The previous prime is 215234534989. The next prime is 215234535023. The reversal of 215234535013 is 310535432512.

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

It is a cyclic number.

It is not a de Polignac number, because 215234535013 - 2²⁹ = 214697664101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 215234535013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215234535023) 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, 8070006 + ... + 8096632.

It is an arithmetic number, because the mean of its divisors is an integer number (26930494080).

Almost surely, 2^215234535013 is an apocalyptic number.

It is an amenable number.

215234535013 is a deficient number, since it is larger than the sum of its proper divisors (209417627).

215234535013 is a wasteful number, since it uses less digits than its factorization.

215234535013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34187.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 215234535013 its reverse (310535432512), we get a palindrome (525769967525).

The spelling of 215234535013 in words is "two hundred fifteen billion, two hundred thirty-four million, five hundred thirty-five thousand, thirteen".