215029003940871 has 16 divisors (see below), whose sum is σ = 287700503532000. Its totient is φ = 142855804320768.

The previous prime is 215029003940851. The next prime is 215029003940873. The reversal of 215029003940871 is 178049300920512.

It is not a de Polignac number, because 215029003940871 - 2¹¹ = 215029003938823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215029003940873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88487896 + ... + 90885453.

It is an arithmetic number, because the mean of its divisors is an integer number (17981281470750).

Almost surely, 2^{215029003940871} is an apocalyptic number.

215029003940871 is a deficient number, since it is larger than the sum of its proper divisors (72671499591129).

215029003940871 is a wasteful number, since it uses less digits than its factorization.

215029003940871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179374738.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 215029003940871 in words is "two hundred fifteen trillion, twenty-nine billion, three million, nine hundred forty thousand, eight hundred seventy-one".