215140345043 has 8 divisors (see below), whose sum is σ = 231712510848. Its totient is φ = 198571451904.

The previous prime is 215140345039. The next prime is 215140345073. The reversal of 215140345043 is 340543041512.

215140345043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 215140345043 - 2² = 215140345039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215140345073) 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 7 ways as a sum of consecutive naturals, for example, 680771 + ... + 945372.

It is an arithmetic number, because the mean of its divisors is an integer number (28964063856).

Almost surely, 2^215140345043 is an apocalyptic number.

215140345043 is a deficient number, since it is larger than the sum of its proper divisors (16572165805).

215140345043 is a wasteful number, since it uses less digits than its factorization.

215140345043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636333.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 215140345043 its reverse (340543041512), we get a palindrome (555683386555).

The spelling of 215140345043 in words is "two hundred fifteen billion, one hundred forty million, three hundred forty-five thousand, forty-three".