605112360521 has 4 divisors (see below), whose sum is σ = 605722969344. Its totient is φ = 604501751700.

The previous prime is 605112360491. The next prime is 605112360539. The reversal of 605112360521 is 125063211506.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 125063211506 = 2 ⋅62531605753.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605112360521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605112362521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305302925 + ... + 305304906.

It is an arithmetic number, because the mean of its divisors is an integer number (151430742336).

Almost surely, 2^605112360521 is an apocalyptic number.

It is an amenable number.

605112360521 is a deficient number, since it is larger than the sum of its proper divisors (610608823).

605112360521 is an equidigital number, since it uses as much as digits as its factorization.

605112360521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610608822.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 605112360521 in words is "six hundred five billion, one hundred twelve million, three hundred sixty thousand, five hundred twenty-one".