10531540205 has 32 divisors (see below), whose sum is σ = 13539052800. Its totient is φ = 7836687360.

The previous prime is 10531540169. The next prime is 10531540213. The reversal of 10531540205 is 50204513501.

It is not a de Polignac number, because 10531540205 - 2¹⁰ = 10531539181 is a prime.

It is a super-2 number, since 2×10531540205² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2567246 + ... + 2571344.

It is an arithmetic number, because the mean of its divisors is an integer number (423095400).

Almost surely, 2^10531540205 is an apocalyptic number.

It is an amenable number.

10531540205 is a deficient number, since it is larger than the sum of its proper divisors (3007512595).

10531540205 is a wasteful number, since it uses less digits than its factorization.

10531540205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 10531540205 in words is "ten billion, five hundred thirty-one million, five hundred forty thousand, two hundred five".