215304406006 has 8 divisors (see below), whose sum is σ = 323029871640. Its totient is φ = 107627782128.

The previous prime is 215304405997. The next prime is 215304406007. The reversal of 215304406006 is 600604403512.

215304406006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215304406007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12199416 + ... + 12217051.

It is an arithmetic number, because the mean of its divisors is an integer number (40378733955).

Almost surely, 2^215304406006 is an apocalyptic number.

215304406006 is a deficient number, since it is larger than the sum of its proper divisors (107725465634).

215304406006 is a wasteful number, since it uses less digits than its factorization.

215304406006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24420878.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 215304406006 its reverse (600604403512), we get a palindrome (815908809518).

The spelling of 215304406006 in words is "two hundred fifteen billion, three hundred four million, four hundred six thousand, six".