10515666005 has 16 divisors (see below), whose sum is σ = 13724033904. Its totient is φ = 7688524800.

The previous prime is 10515665999. The next prime is 10515666037. The reversal of 10515666005 is 50066651501.

It can be written as a sum of positive squares in 8 ways, for example, as 540051121 + 9975614884 = 23239^2 + 99878^2 .

It is not a de Polignac number, because 10515666005 - 2⁴ = 10515665989 is a prime.

It is a super-2 number, since 2×10515666005² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 794324 + ... + 807453.

It is an arithmetic number, because the mean of its divisors is an integer number (857752119).

Almost surely, 2^10515666005 is an apocalyptic number.

It is an amenable number.

10515666005 is a deficient number, since it is larger than the sum of its proper divisors (3208367899).

10515666005 is a wasteful number, since it uses less digits than its factorization.

10515666005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601896.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 10515666005 in words is "ten billion, five hundred fifteen million, six hundred sixty-six thousand, five".