215135330043 has 8 divisors (see below), whose sum is σ = 286851027456. Its totient is φ = 143421593000.

The previous prime is 215135329973. The next prime is 215135330077. The reversal of 215135330043 is 340033531512.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215135330043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215135330743) 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, 211383 + ... + 689168.

It is an arithmetic number, because the mean of its divisors is an integer number (35856378432).

Almost surely, 2^215135330043 is an apocalyptic number.

215135330043 is a deficient number, since it is larger than the sum of its proper divisors (71715697413).

215135330043 is an equidigital number, since it uses as much as digits as its factorization.

215135330043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980185.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 215135330043 its reverse (340033531512), we get a palindrome (555168861555).

The spelling of 215135330043 in words is "two hundred fifteen billion, one hundred thirty-five million, three hundred thirty thousand, forty-three".