215061516332 has 12 divisors (see below), whose sum is σ = 405308242416. Its totient is φ = 99259161360.

The previous prime is 215061516289. The next prime is 215061516343. The reversal of 215061516332 is 233615160512.

It is a junction number, because it is equal to n+sod(n) for n = 215061516292 and 215061516301.

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, 2067899144 + ... + 2067899247.

It is an arithmetic number, because the mean of its divisors is an integer number (33775686868).

Almost surely, 2^215061516332 is an apocalyptic number.

It is an amenable number.

215061516332 is a deficient number, since it is larger than the sum of its proper divisors (190246726084).

215061516332 is a wasteful number, since it uses less digits than its factorization.

215061516332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135798408 (or 4135798406 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 215061516332 its reverse (233615160512), we get a palindrome (448676676844).

The spelling of 215061516332 in words is "two hundred fifteen billion, sixty-one million, five hundred sixteen thousand, three hundred thirty-two".