10643254344011 has 4 divisors (see below), whose sum is σ = 10685657748024. Its totient is φ = 10600850940000.

The previous prime is 10643254343999. The next prime is 10643254344059. The reversal of 10643254344011 is 11044345234601.

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 10643254344011 - 2⁶ = 10643254343947 is a prime.

It is a super-2 number, since 2×10643254344011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10643254349011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21201701630 + ... + 21201702131.

It is an arithmetic number, because the mean of its divisors is an integer number (2671414437006).

Almost surely, 2^{10643254344011} is an apocalyptic number.

10643254344011 is a deficient number, since it is larger than the sum of its proper divisors (42403404013).

10643254344011 is an equidigital number, since it uses as much as digits as its factorization.

10643254344011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42403404012.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 10643254344011 its reverse (11044345234601), we get a palindrome (21687599578612).

The spelling of 10643254344011 in words is "ten trillion, six hundred forty-three billion, two hundred fifty-four million, three hundred forty-four thousand, eleven".