10688278591 has 4 divisors (see below), whose sum is σ = 10688600632. Its totient is φ = 10687956552.

The previous prime is 10688278577. The next prime is 10688278613. The reversal of 10688278591 is 19587288601.

10688278591 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, and also an emirpimes, since its reverse is a distinct semiprime: 19587288601 = 307 ⋅63802243.

It is a cyclic number.

It is not a de Polignac number, because 10688278591 - 2⁷ = 10688278463 is a prime.

It is a super-2 number, since 2×10688278591² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10688278091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104661 + ... + 179806.

It is an arithmetic number, because the mean of its divisors is an integer number (2672150158).

Almost surely, 2^10688278591 is an apocalyptic number.

10688278591 is a deficient number, since it is larger than the sum of its proper divisors (322041).

10688278591 is an equidigital number, since it uses as much as digits as its factorization.

10688278591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322040.

The product of its (nonzero) digits is 1935360, while the sum is 55.

The spelling of 10688278591 in words is "ten billion, six hundred eighty-eight million, two hundred seventy-eight thousand, five hundred ninety-one".