10643266643215 has 32 divisors (see below), whose sum is σ = 13011561515520. Its totient is φ = 8355375600000.

The previous prime is 10643266643201. The next prime is 10643266643221. The reversal of 10643266643215 is 51234666234601.

It is not a de Polignac number, because 10643266643215 - 2⁵ = 10643266643183 is a prime.

It is a super-2 number, since 2×10643266643215² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 773992590 + ... + 774006340.

It is an arithmetic number, because the mean of its divisors is an integer number (406611297360).

Almost surely, 2^{10643266643215} is an apocalyptic number.

10643266643215 is a deficient number, since it is larger than the sum of its proper divisors (2368294872305).

10643266643215 is a wasteful number, since it uses less digits than its factorization.

10643266643215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18303.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 10643266643215 in words is "ten trillion, six hundred forty-three billion, two hundred sixty-six million, six hundred forty-three thousand, two hundred fifteen".