611065671061 has 4 divisors (see below), whose sum is σ = 611074878624. Its totient is φ = 611056463500.

The previous prime is 611065671053. The next prime is 611065671089. The reversal of 611065671061 is 160176560116.

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.

It is a cyclic number.

It is not a de Polignac number, because 611065671061 - 2³ = 611065671053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611065671001) 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, 4503505 + ... + 4637206.

It is an arithmetic number, because the mean of its divisors is an integer number (152768719656).

Almost surely, 2^611065671061 is an apocalyptic number.

It is an amenable number.

611065671061 is a deficient number, since it is larger than the sum of its proper divisors (9207563).

611065671061 is an equidigital number, since it uses as much as digits as its factorization.

611065671061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9207562.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 611065671061 in words is "six hundred eleven billion, sixty-five million, six hundred seventy-one thousand, sixty-one".