215937715342 has 8 divisors (see below), whose sum is σ = 324273400776. Its totient is φ = 107846581752.

The previous prime is 215937715339. The next prime is 215937715361. The reversal of 215937715342 is 243517739512.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61135753 + ... + 61139284.

It is an arithmetic number, because the mean of its divisors is an integer number (40534175097).

Almost surely, 2^215937715342 is an apocalyptic number.

215937715342 is a deficient number, since it is larger than the sum of its proper divisors (108335685434).

215937715342 is a wasteful number, since it uses less digits than its factorization.

215937715342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122275922.

The product of its digits is 1587600, while the sum is 49.

The spelling of 215937715342 in words is "two hundred fifteen billion, nine hundred thirty-seven million, seven hundred fifteen thousand, three hundred forty-two".