2215215643005 has 32 divisors (see below), whose sum is σ = 3955821112320. Its totient is φ = 1176150352320.

The previous prime is 2215215642977. The next prime is 2215215643021. The reversal of 2215215643005 is 5003465125122.

2215215643005 is a `hidden beast` number, since 2 + 2 + 1 + 5 + 2 + 1 + 5 + 643 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 2215215643005 - 2¹³ = 2215215634813 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 36761386 + ... + 36821595.

It is an arithmetic number, because the mean of its divisors is an integer number (123619409760).

Almost surely, 2^{2215215643005} is an apocalyptic number.

It is an amenable number.

2215215643005 is a deficient number, since it is larger than the sum of its proper divisors (1740605469315).

2215215643005 is a wasteful number, since it uses less digits than its factorization.

2215215643005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73583218 (or 73583212 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 2215215643005 in words is "two trillion, two hundred fifteen billion, two hundred fifteen million, six hundred forty-three thousand, five".