605161050055 has 4 divisors (see below), whose sum is σ = 726193260072. Its totient is φ = 484128840040.

The previous prime is 605161050047. The next prime is 605161050119. The reversal of 605161050055 is 550050161506.

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

It is not a de Polignac number, because 605161050055 - 2³ = 605161050047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 605161050055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60516105001 + ... + 60516105010.

It is an arithmetic number, because the mean of its divisors is an integer number (181548315018).

Almost surely, 2^605161050055 is an apocalyptic number.

605161050055 is a deficient number, since it is larger than the sum of its proper divisors (121032210017).

605161050055 is a wasteful number, since it uses less digits than its factorization.

605161050055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121032210016.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 605161050055 in words is "six hundred five billion, one hundred sixty-one million, fifty thousand, fifty-five".