575411091561 has 6 divisors (see below), whose sum is σ = 831149354490. Its totient is φ = 383607394368.

The previous prime is 575411091559. The next prime is 575411091587. The reversal of 575411091561 is 165190114575.

575411091561 is a `hidden beast` number, since 5 + 7 + 541 + 10 + 91 + 5 + 6 + 1 = 666.

575411091561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 429196627161 + 146214464400 = 655131^2 + 382380^2 .

It is not a de Polignac number, because 575411091561 - 2¹ = 575411091559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (575411091511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31967282856 + ... + 31967282873.

It is an arithmetic number, because the mean of its divisors is an integer number (138524892415).

Almost surely, 2^575411091561 is an apocalyptic number.

It is an amenable number.

575411091561 is a deficient number, since it is larger than the sum of its proper divisors (255738262929).

575411091561 is a wasteful number, since it uses less digits than its factorization.

575411091561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63934565735 (or 63934565732 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 45.

The spelling of 575411091561 in words is "five hundred seventy-five billion, four hundred eleven million, ninety-one thousand, five hundred sixty-one".