215463133116 has 144 divisors (see below), whose sum is σ = 718978740480. Its totient is φ = 52672412160.

The previous prime is 215463133103. The next prime is 215463133147. The reversal of 215463133116 is 611331364512.

215463133116 is a `hidden beast` number, since 2 + 1 + 5 + 4 + 631 + 3 + 3 + 1 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2239006 + ... + 2333253.

It is an arithmetic number, because the mean of its divisors is an integer number (4992907920).

Almost surely, 2^215463133116 is an apocalyptic number.

It is an amenable number.

215463133116 is an abundant number, since it is smaller than the sum of its proper divisors (503515607364).

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

215463133116 is a wasteful number, since it uses less digits than its factorization.

215463133116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572304 (or 4572299 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

Adding to 215463133116 its reverse (611331364512), we get a palindrome (826794497628).

The spelling of 215463133116 in words is "two hundred fifteen billion, four hundred sixty-three million, one hundred thirty-three thousand, one hundred sixteen".