10544581313 has 24 divisors (see below), whose sum is σ = 12997093032. Its totient is φ = 8500391424.

The previous prime is 10544581291. The next prime is 10544581319. The reversal of 10544581313 is 31318544501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5096960449 + 5447620864 = 71393^2 + 73808^2 .

It is not a de Polignac number, because 10544581313 - 2³⁰ = 9470839489 is a prime.

It is a super-2 number, since 2×10544581313² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10544581319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1406531 + ... + 1414007.

It is an arithmetic number, because the mean of its divisors is an integer number (541545543).

Almost surely, 2^10544581313 is an apocalyptic number.

It is an amenable number.

10544581313 is a deficient number, since it is larger than the sum of its proper divisors (2452511719).

10544581313 is a wasteful number, since it uses less digits than its factorization.

10544581313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9201 (or 9194 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 10544581313 in words is "ten billion, five hundred forty-four million, five hundred eighty-one thousand, three hundred thirteen".