10687320903 has 16 divisors (see below), whose sum is σ = 16847009280. Its totient is φ = 5896452576.

The previous prime is 10687320871. The next prime is 10687320911. The reversal of 10687320903 is 30902378601.

10687320903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10687320903 - 2⁵ = 10687320871 is a prime.

It is a super-2 number, since 2×10687320903² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10687320913) 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 15 ways as a sum of consecutive naturals, for example, 8773875 + ... + 8775092.

It is an arithmetic number, because the mean of its divisors is an integer number (1052938080).

Almost surely, 2^10687320903 is an apocalyptic number.

10687320903 is a deficient number, since it is larger than the sum of its proper divisors (6159688377).

10687320903 is a wasteful number, since it uses less digits than its factorization.

10687320903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17549006.

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 10687320903 in words is "ten billion, six hundred eighty-seven million, three hundred twenty thousand, nine hundred three".