955565565559 has 24 divisors (see below), whose sum is σ = 1075026444800. Its totient is φ = 848282394960.

The previous prime is 955565565467. The next prime is 955565565571.

955565565559 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 955565565559 - 2¹³ = 955565557367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (955565565359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23117092 + ... + 23158390.

Almost surely, 2^955565565559 is an apocalyptic number.

955565565559 is a deficient number, since it is larger than the sum of its proper divisors (119460879241).

955565565559 is a wasteful number, since it uses less digits than its factorization.

955565565559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45811 (or 45800 counting only the distinct ones).

The product of its digits is 1139062500, while the sum is 70.

The spelling of 955565565559 in words is "nine hundred fifty-five billion, five hundred sixty-five million, five hundred sixty-five thousand, five hundred fifty-nine".