215189317069264 has 40 divisors (see below), whose sum is σ = 424017165762720. Its totient is φ = 105765715287168.

The previous prime is 215189317069127. The next prime is 215189317069277. The reversal of 215189317069264 is 462960713981512.

It is a junction number, because it is equal to n+sod(n) for n = 215189317069196 and 215189317069205.

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, 13147939 + ... + 24561085.

It is an arithmetic number, because the mean of its divisors is an integer number (10600429144068).

It is a 1-persistent number, because it is pandigital, but 2⋅215189317069264 = 430378634138528 is not.

Almost surely, 2^{215189317069264} is an apocalyptic number.

It is an amenable number.

215189317069264 is a deficient number, since it is larger than the sum of its proper divisors (208827848693456).

215189317069264 is a wasteful number, since it uses less digits than its factorization.

215189317069264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11433187 (or 11433181 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 215189317069264 in words is "two hundred fifteen trillion, one hundred eighty-nine billion, three hundred seventeen million, sixty-nine thousand, two hundred sixty-four".