10438865667011 has 2 divisors, whose sum is σ = 10438865667012. Its totient is φ = 10438865667010.

The previous prime is 10438865666989. The next prime is 10438865667037. The reversal of 10438865667011 is 11076656883401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10438865667011 - 2⁶ = 10438865666947 is a prime.

It is not a weakly prime, because it can be changed into another prime (10438865667311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5219432833505 + 5219432833506.

It is an arithmetic number, because the mean of its divisors is an integer number (5219432833506).

Almost surely, 2^{10438865667011} is an apocalyptic number.

10438865667011 is a deficient number, since it is larger than the sum of its proper divisors (1).

10438865667011 is an equidigital number, since it uses as much as digits as its factorization.

10438865667011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 10438865667011 in words is "ten trillion, four hundred thirty-eight billion, eight hundred sixty-five million, six hundred sixty-seven thousand, eleven".