10565440545525 has 96 divisors (see below), whose sum is σ = 17719323128832. Its totient is φ = 5554443456000.

The previous prime is 10565440545523. The next prime is 10565440545571. The reversal of 10565440545525 is 52554504456501.

It is a happy number.

It is not a de Polignac number, because 10565440545525 - 2¹ = 10565440545523 is a prime.

It is a super-2 number, since 2×10565440545525² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10565440545523) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2608104750 + ... + 2608108800.

It is an arithmetic number, because the mean of its divisors is an integer number (184576282592).

Almost surely, 2^{10565440545525} is an apocalyptic number.

10565440545525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10565440545525 is a deficient number, since it is larger than the sum of its proper divisors (7153882583307).

10565440545525 is a wasteful number, since it uses less digits than its factorization.

10565440545525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5643 (or 5638 counting only the distinct ones).

The product of its (nonzero) digits is 12000000, while the sum is 51.

The spelling of 10565440545525 in words is "ten trillion, five hundred sixty-five billion, four hundred forty million, five hundred forty-five thousand, five hundred twenty-five".