10665605555 has 16 divisors (see below), whose sum is σ = 14100494688. Its totient is φ = 7680000000.

The previous prime is 10665605549. The next prime is 10665605557. The reversal of 10665605555 is 55550656601.

It is not a de Polignac number, because 10665605555 - 2²² = 10661411251 is a prime.

It is a super-2 number, since 2×10665605555² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10665605557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954446 + ... + 965555.

It is an arithmetic number, because the mean of its divisors is an integer number (881280918).

Almost surely, 2^10665605555 is an apocalyptic number.

10665605555 is a deficient number, since it is larger than the sum of its proper divisors (3434889133).

10665605555 is a wasteful number, since it uses less digits than its factorization.

10665605555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920118.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 10665605555 in words is "ten billion, six hundred sixty-five million, six hundred five thousand, five hundred fifty-five".