215792215342 has 64 divisors (see below), whose sum is σ = 393714120960. Its totient is φ = 87425395200.

The previous prime is 215792215339. The next prime is 215792215391. The reversal of 215792215342 is 243512297512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28612092 + ... + 28619632.

It is an arithmetic number, because the mean of its divisors is an integer number (6151783140).

Almost surely, 2^215792215342 is an apocalyptic number.

215792215342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

215792215342 is a deficient number, since it is larger than the sum of its proper divisors (177921905618).

215792215342 is a wasteful number, since it uses less digits than its factorization.

215792215342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11617.

The product of its digits is 302400, while the sum is 43.

It can be divided in two parts, 215792 and 215342, that added together give a palindrome (431134).

The spelling of 215792215342 in words is "two hundred fifteen billion, seven hundred ninety-two million, two hundred fifteen thousand, three hundred forty-two".