575551267891 has 2 divisors, whose sum is σ = 575551267892. Its totient is φ = 575551267890.

The previous prime is 575551267859. The next prime is 575551267903. The reversal of 575551267891 is 198762155575.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 575551267891 - 2⁵ = 575551267859 is a prime.

It is not a weakly prime, because it can be changed into another prime (575551267801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287775633945 + 287775633946.

It is an arithmetic number, because the mean of its divisors is an integer number (287775633946).

Almost surely, 2^575551267891 is an apocalyptic number.

575551267891 is a deficient number, since it is larger than the sum of its proper divisors (1).

575551267891 is an equidigital number, since it uses as much as digits as its factorization.

575551267891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460000, while the sum is 61.

The spelling of 575551267891 in words is "five hundred seventy-five billion, five hundred fifty-one million, two hundred sixty-seven thousand, eight hundred ninety-one".