215505135032 has 64 divisors (see below), whose sum is σ = 470541830400. Its totient is φ = 91494144000.

The previous prime is 215505134993. The next prime is 215505135073. The reversal of 215505135032 is 230531505512.

215505135032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 215505135032.

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 15 ways as a sum of consecutive naturals, for example, 788969 + ... + 1026392.

It is an arithmetic number, because the mean of its divisors is an integer number (7352216100).

Almost surely, 2^215505135032 is an apocalyptic number.

215505135032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

215505135032 is an abundant number, since it is smaller than the sum of its proper divisors (255036695368).

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

215505135032 is a wasteful number, since it uses less digits than its factorization.

215505135032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815468 (or 1815464 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 215505135032 in words is "two hundred fifteen billion, five hundred five million, one hundred thirty-five thousand, thirty-two".