215101253233 has 4 divisors (see below), whose sum is σ = 218627503348. Its totient is φ = 211575003120.

The previous prime is 215101253231. The next prime is 215101253243. The reversal of 215101253233 is 332352101512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12576052449 + 202525200784 = 112143^2 + 450028^2 .

It is a cyclic number.

It is not a de Polignac number, because 215101253233 - 2¹ = 215101253231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215101253231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763124966 + ... + 1763125087.

It is an arithmetic number, because the mean of its divisors is an integer number (54656875837).

Almost surely, 2^215101253233 is an apocalyptic number.

It is an amenable number.

215101253233 is a deficient number, since it is larger than the sum of its proper divisors (3526250115).

215101253233 is an equidigital number, since it uses as much as digits as its factorization.

215101253233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526250114.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 215101253233 its reverse (332352101512), we get a palindrome (547453354745).

The spelling of 215101253233 in words is "two hundred fifteen billion, one hundred one million, two hundred fifty-three thousand, two hundred thirty-three".