601611055121 has 4 divisors (see below), whose sum is σ = 601614382644. Its totient is φ = 601607727600.

The previous prime is 601611055051. The next prime is 601611055159. The reversal of 601611055121 is 121550116106.

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

It can be written as a sum of positive squares in 2 ways, for example, as 336905950096 + 264705105025 = 580436^2 + 514495^2 .

It is a cyclic number.

It is not a de Polignac number, because 601611055121 - 2¹⁰ = 601611054097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (601611055181) 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, 1375970 + ... + 1759691.

It is an arithmetic number, because the mean of its divisors is an integer number (150403595661).

Almost surely, 2^601611055121 is an apocalyptic number.

It is an amenable number.

601611055121 is a deficient number, since it is larger than the sum of its proper divisors (3327523).

601611055121 is a wasteful number, since it uses less digits than its factorization.

601611055121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327522.

The product of its (nonzero) digits is 1800, while the sum is 29.

The spelling of 601611055121 in words is "six hundred one billion, six hundred eleven million, fifty-five thousand, one hundred twenty-one".