571089868463961 has 288 divisors, whose sum is σ = 1064344435015680. Its totient is φ = 288748926385920.

The previous prime is 571089868463921. The next prime is 571089868463999. The reversal of 571089868463961 is 169364868980175.

It is a happy number.

571089868463961 is a `hidden beast` number, since 5 + 7 + 1 + 0 + 8 + 9 + 8 + 68 + 463 + 96 + 1 = 666.

It is not a de Polignac number, because 571089868463961 - 2⁷ = 571089868463833 is a prime.

It is a super-2 number, since 2×571089868463961² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (571089868463921) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 23142584755 + ... + 23142609431.

It is an arithmetic number, because the mean of its divisors is an integer number (3695640399360).

Almost surely, 2^{571089868463961} is an apocalyptic number.

It is an amenable number.

571089868463961 is a deficient number, since it is larger than the sum of its proper divisors (493254566551719).

571089868463961 is a wasteful number, since it uses less digits than its factorization.

571089868463961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25337 (or 25323 counting only the distinct ones).

The product of its (nonzero) digits is 3762339840, while the sum is 81.

The spelling of 571089868463961 in words is "five hundred seventy-one trillion, eighty-nine billion, eight hundred sixty-eight million, four hundred sixty-three thousand, nine hundred sixty-one".