215100315036 has 144 divisors (see below), whose sum is σ = 595933019136. Its totient is φ = 65140733952.

The previous prime is 215100315029. The next prime is 215100315041. The reversal of 215100315036 is 630513001512.

215100315036 is a `hidden beast` number, since 2 + 151 + 0 + 0 + 3 + 1 + 503 + 6 = 666.

215100315036 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2838390 + ... + 2913186.

It is an arithmetic number, because the mean of its divisors is an integer number (4138423744).

Almost surely, 2^215100315036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215100315036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297966509568).

215100315036 is an abundant number, since it is smaller than the sum of its proper divisors (380832704100).

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

215100315036 is a wasteful number, since it uses less digits than its factorization.

215100315036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74988 (or 74983 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 215100315036 its reverse (630513001512), we get a palindrome (845613316548).

The spelling of 215100315036 in words is "two hundred fifteen billion, one hundred million, three hundred fifteen thousand, thirty-six".