10515053565 has 12 divisors (see below), whose sum is σ = 18226092924. Its totient is φ = 5608028544.

The previous prime is 10515053501. The next prime is 10515053567. The reversal of 10515053565 is 56535051501.

10515053565 is a `hidden beast` number, since 10 + 5 + 1 + 50 + 535 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1913975001 + 8601078564 = 43749^2 + 92742^2 .

It is not a de Polignac number, because 10515053565 - 2⁶ = 10515053501 is a prime.

It is a super-3 number, since 3×10515053565³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10515053567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116833884 + ... + 116833973.

It is an arithmetic number, because the mean of its divisors is an integer number (1518841077).

Almost surely, 2^10515053565 is an apocalyptic number.

10515053565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10515053565 is a deficient number, since it is larger than the sum of its proper divisors (7711039359).

10515053565 is a wasteful number, since it uses less digits than its factorization.

10515053565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233667868 (or 233667865 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The spelling of 10515053565 in words is "ten billion, five hundred fifteen million, fifty-three thousand, five hundred sixty-five".