10531444605 has 64 divisors (see below), whose sum is σ = 18683578368. Its totient is φ = 5023100160.

The previous prime is 10531444603. The next prime is 10531444657. The reversal of 10531444605 is 50644413501.

It is not a de Polignac number, because 10531444605 - 2¹ = 10531444603 is a prime.

It is a super-2 number, since 2×10531444605² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10531444603) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2666242 + ... + 2670188.

It is an arithmetic number, because the mean of its divisors is an integer number (291930912).

Almost surely, 2^10531444605 is an apocalyptic number.

10531444605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10531444605 is a deficient number, since it is larger than the sum of its proper divisors (8152133763).

10531444605 is a wasteful number, since it uses less digits than its factorization.

10531444605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 10531444605 in words is "ten billion, five hundred thirty-one million, four hundred forty-four thousand, six hundred five".