10913678321 has 24 divisors (see below), whose sum is σ = 13807529064. Its totient is φ = 8549452800.

The previous prime is 10913678297. The next prime is 10913678329. The reversal of 10913678321 is 12387631901.

It can be written as a sum of positive squares in 4 ways, for example, as 931470400 + 9982207921 = 30520^2 + 99911^2 .

It is not a de Polignac number, because 10913678321 - 2¹⁰ = 10913677297 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10913678329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20480 + ... + 149153.

It is an arithmetic number, because the mean of its divisors is an integer number (575313711).

Almost surely, 2^10913678321 is an apocalyptic number.

It is an amenable number.

10913678321 is a deficient number, since it is larger than the sum of its proper divisors (2893850743).

10913678321 is a wasteful number, since it uses less digits than its factorization.

10913678321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169761 (or 169754 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 10913678321 in words is "ten billion, nine hundred thirteen million, six hundred seventy-eight thousand, three hundred twenty-one".