561167667711 has 32 divisors (see below), whose sum is σ = 972221099520. Its totient is φ = 313209856512.

The previous prime is 561167667703. The next prime is 561167667713. The reversal of 561167667711 is 117766761165.

It is a happy number.

561167667711 is a `hidden beast` number, since 5 + 611 + 6 + 7 + 6 + 6 + 7 + 7 + 11 = 666.

It is not a de Polignac number, because 561167667711 - 2³ = 561167667703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561167667713) 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 31 ways as a sum of consecutive naturals, for example, 34516770 + ... + 34533023.

It is an arithmetic number, because the mean of its divisors is an integer number (30381909360).

Almost surely, 2^561167667711 is an apocalyptic number.

561167667711 is a deficient number, since it is larger than the sum of its proper divisors (411053431809).

561167667711 is a wasteful number, since it uses less digits than its factorization.

561167667711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69049852 (or 69049846 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 54.

The spelling of 561167667711 in words is "five hundred sixty-one billion, one hundred sixty-seven million, six hundred sixty-seven thousand, seven hundred eleven".