605161611211 has 8 divisors (see below), whose sum is σ = 615186857664. Its totient is φ = 595139737920.

The previous prime is 605161611203. The next prime is 605161611227. The reversal of 605161611211 is 112116161506.

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

It is a cyclic number.

It is not a de Polignac number, because 605161611211 - 2³ = 605161611203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605161611311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480226 + ... + 1200391.

It is an arithmetic number, because the mean of its divisors is an integer number (76898357208).

Almost surely, 2^605161611211 is an apocalyptic number.

605161611211 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

605161611211 is a deficient number, since it is larger than the sum of its proper divisors (10025246453).

605161611211 is a wasteful number, since it uses less digits than its factorization.

605161611211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686581.

The product of its (nonzero) digits is 2160, while the sum is 31.

Adding to 605161611211 its reverse (112116161506), we get a palindrome (717277772717).

The spelling of 605161611211 in words is "six hundred five billion, one hundred sixty-one million, six hundred eleven thousand, two hundred eleven".