215301808086 has 16 divisors (see below), whose sum is σ = 430773778368. Its totient is φ = 71738909000.

The previous prime is 215301808039. The next prime is 215301808121. The reversal of 215301808086 is 680808103512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7073640 + ... + 7104011.

It is an arithmetic number, because the mean of its divisors is an integer number (26923361148).

Almost surely, 2^215301808086 is an apocalyptic number.

215301808086 is an abundant number, since it is smaller than the sum of its proper divisors (215471970282).

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

215301808086 is a wasteful number, since it uses less digits than its factorization.

215301808086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14180187.

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 215301808086 in words is "two hundred fifteen billion, three hundred one million, eight hundred eight thousand, eighty-six".