1105666513533 has 6 divisors (see below), whose sum is σ = 1597073852894. Its totient is φ = 737111009016.

The previous prime is 1105666513493. The next prime is 1105666513597. The reversal of 1105666513533 is 3353156665011.

It can be written as a sum of positive squares in only one way, i.e., 1049268338244 + 56398175289 = 1024338^2 + 237483^2 .

It is not a de Polignac number, because 1105666513533 - 2²⁸ = 1105398078077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105666515533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61425917410 + ... + 61425917427.

Almost surely, 2^{1105666513533} is an apocalyptic number.

It is an amenable number.

1105666513533 is a deficient number, since it is larger than the sum of its proper divisors (491407339361).

1105666513533 is a wasteful number, since it uses less digits than its factorization.

1105666513533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122851834843 (or 122851834840 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 45.

The spelling of 1105666513533 in words is "one trillion, one hundred five billion, six hundred sixty-six million, five hundred thirteen thousand, five hundred thirty-three".