10587865266 has 48 divisors (see below), whose sum is σ = 25952760288. Its totient is φ = 3208442400.

The previous prime is 10587865259. The next prime is 10587865283. The reversal of 10587865266 is 66256878501.

10587865266 is a `hidden beast` number, since 1 + 0 + 587 + 8 + 6 + 52 + 6 + 6 = 666.

It is a super-2 number, since 2×10587865266² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 984915 + ... + 995606.

It is an arithmetic number, because the mean of its divisors is an integer number (540682506).

Almost surely, 2^10587865266 is an apocalyptic number.

10587865266 is an abundant number, since it is smaller than the sum of its proper divisors (15364895022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10587865266 is a wasteful number, since it uses less digits than its factorization.

10587865266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980549 (or 1980537 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 10587865266 in words is "ten billion, five hundred eighty-seven million, eight hundred sixty-five thousand, two hundred sixty-six".