10643265222251 has 4 divisors (see below), whose sum is σ = 11106015884112. Its totient is φ = 10180514560392.

The previous prime is 10643265222241. The next prime is 10643265222253. The reversal of 10643265222251 is 15222256234601.

10643265222251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10643265222251 - 2¹⁰ = 10643265221227 is a prime.

It is a super-2 number, since 2×10643265222251² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10643265222199 and 10643265222208.

It is not an unprimeable number, because it can be changed into a prime (10643265222253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231375330896 + ... + 231375330941.

It is an arithmetic number, because the mean of its divisors is an integer number (2776503971028).

Almost surely, 2^{10643265222251} is an apocalyptic number.

10643265222251 is a deficient number, since it is larger than the sum of its proper divisors (462750661861).

10643265222251 is an equidigital number, since it uses as much as digits as its factorization.

10643265222251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462750661860.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 10643265222251 in words is "ten trillion, six hundred forty-three billion, two hundred sixty-five million, two hundred twenty-two thousand, two hundred fifty-one".