10138765591 has 2 divisors, whose sum is σ = 10138765592. Its totient is φ = 10138765590.

The previous prime is 10138765577. The next prime is 10138765613. The reversal of 10138765591 is 19556783101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10138765591 - 2⁷ = 10138765463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10138765561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069382795 + 5069382796.

It is an arithmetic number, because the mean of its divisors is an integer number (5069382796).

Almost surely, 2^10138765591 is an apocalyptic number.

10138765591 is a deficient number, since it is larger than the sum of its proper divisors (1).

10138765591 is an equidigital number, since it uses as much as digits as its factorization.

10138765591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 10138765591 in words is "ten billion, one hundred thirty-eight million, seven hundred sixty-five thousand, five hundred ninety-one".