605555056121 has 8 divisors (see below), whose sum is σ = 615987223200. Its totient is φ = 595128506560.

The previous prime is 605555056109. The next prime is 605555056147. The reversal of 605555056121 is 121650555506.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 605555056121 - 2¹⁴ = 605555039737 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 (605555056921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186640 + ... + 1618401.

It is an arithmetic number, because the mean of its divisors is an integer number (76998402900).

Almost surely, 2^605555056121 is an apocalyptic number.

It is an amenable number.

605555056121 is a deficient number, since it is larger than the sum of its proper divisors (10432167079).

605555056121 is a wasteful number, since it uses less digits than its factorization.

605555056121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808759.

The product of its (nonzero) digits is 225000, while the sum is 41.

The spelling of 605555056121 in words is "six hundred five billion, five hundred fifty-five million, fifty-six thousand, one hundred twenty-one".