5545545964191 has 6 divisors (see below), whose sum is σ = 8010233059400. Its totient is φ = 3697030642788.

The previous prime is 5545545964181. The next prime is 5545545964219. The reversal of 5545545964191 is 1914695455455.

5545545964191 is a `hidden beast` number, since 5 + 5 + 4 + 55 + 459 + 6 + 41 + 91 = 666.

It is not a de Polignac number, because 5545545964191 - 2³⁸ = 5270668057247 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 (5545545964181) 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, 308085886891 + ... + 308085886908.

Almost surely, 2^{5545545964191} is an apocalyptic number.

5545545964191 is a deficient number, since it is larger than the sum of its proper divisors (2464687095209).

5545545964191 is a wasteful number, since it uses less digits than its factorization.

5545545964191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616171773805 (or 616171773802 counting only the distinct ones).

The product of its digits is 97200000, while the sum is 63.

The spelling of 5545545964191 in words is "five trillion, five hundred forty-five billion, five hundred forty-five million, nine hundred sixty-four thousand, one hundred ninety-one".