605121065436345 has 16 divisors (see below), whose sum is σ = 969662890912320. Its totient is φ = 322241506161344.

The previous prime is 605121065436337. The next prime is 605121065436361. The reversal of 605121065436345 is 543634560121506.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 605121065436345 - 2³ = 605121065436337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30608035914 + ... + 30608055683.

It is an arithmetic number, because the mean of its divisors is an integer number (60603930682020).

Almost surely, 2^{605121065436345} is an apocalyptic number.

It is an amenable number.

605121065436345 is a deficient number, since it is larger than the sum of its proper divisors (364541825475975).

605121065436345 is a wasteful number, since it uses less digits than its factorization.

605121065436345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61216092264.

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 605121065436345 in words is "six hundred five trillion, one hundred twenty-one billion, sixty-five million, four hundred thirty-six thousand, three hundred forty-five".