215650064100105 has 16 divisors (see below), whose sum is σ = 383377891733760. Its totient is φ = 115013367519984.

The previous prime is 215650064100077. The next prime is 215650064100113. The reversal of 215650064100105 is 501001460056512.

215650064100105 is a `hidden beast` number, since 2 + 1 + 5 + 6 + 5 + 0 + 0 + 641 + 0 + 0 + 1 + 0 + 5 = 666.

It is not a de Polignac number, because 215650064100105 - 2¹⁰ = 215650064099081 is a prime.

It is a super-2 number, since 2×215650064100105² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 215650064100105.

It is an unprimeable number.

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, 798703940977 + ... + 798703941246.

It is an arithmetic number, because the mean of its divisors is an integer number (23961118233360).

Almost surely, 2^{215650064100105} is an apocalyptic number.

It is an amenable number.

215650064100105 is a deficient number, since it is larger than the sum of its proper divisors (167727827633655).

215650064100105 is a wasteful number, since it uses less digits than its factorization.

215650064100105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597407882237 (or 1597407882231 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 215650064100105 in words is "two hundred fifteen trillion, six hundred fifty billion, sixty-four million, one hundred thousand, one hundred five".