215036232312426 has 64 divisors (see below), whose sum is σ = 505242601178880. Its totient is φ = 59725463477760.

The previous prime is 215036232312397. The next prime is 215036232312467. The reversal of 215036232312426 is 624213232630512.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59528065 + ... + 63036996.

It is an arithmetic number, because the mean of its divisors is an integer number (7894415643420).

Almost surely, 2^{215036232312426} is an apocalyptic number.

215036232312426 is an abundant number, since it is smaller than the sum of its proper divisors (290206368866454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215036232312426 is a wasteful number, since it uses less digits than its factorization.

215036232312426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122566239.

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 215036232312426 its reverse (624213232630512), we get a palindrome (839249464942938).

The spelling of 215036232312426 in words is "two hundred fifteen trillion, thirty-six billion, two hundred thirty-two million, three hundred twelve thousand, four hundred twenty-six".