10765215691 has 2 divisors, whose sum is σ = 10765215692. Its totient is φ = 10765215690.

The previous prime is 10765215647. The next prime is 10765215709. The reversal of 10765215691 is 19651256701.

It is a strong prime.

It is an emirp because it is prime and its reverse (19651256701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10765215691 - 2⁷ = 10765215563 is a prime.

It is not a weakly prime, because it can be changed into another prime (10765215191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5382607845 + 5382607846.

It is an arithmetic number, because the mean of its divisors is an integer number (5382607846).

Almost surely, 2^10765215691 is an apocalyptic number.

10765215691 is a deficient number, since it is larger than the sum of its proper divisors (1).

10765215691 is an equidigital number, since it uses as much as digits as its factorization.

10765215691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 10765215691 in words is "ten billion, seven hundred sixty-five million, two hundred fifteen thousand, six hundred ninety-one".