955545959591 has 4 divisors (see below), whose sum is σ = 955848063912. Its totient is φ = 955243855272.

The previous prime is 955545959579. The next prime is 955545959593. The reversal of 955545959591 is 195959545559.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-955545959591 is a prime.

It is a super-4 number, since 4×955545959591⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (955545959593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151047416 + ... + 151053741.

It is an arithmetic number, because the mean of its divisors is an integer number (238962015978).

Almost surely, 2^955545959591 is an apocalyptic number.

955545959591 is a deficient number, since it is larger than the sum of its proper divisors (302104321).

955545959591 is a wasteful number, since it uses less digits than its factorization.

955545959591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302104320.

The product of its digits is 410062500, while the sum is 71.

The spelling of 955545959591 in words is "nine hundred fifty-five billion, five hundred forty-five million, nine hundred fifty-nine thousand, five hundred ninety-one".