571052171156 has 12 divisors (see below), whose sum is σ = 1000349723520. Its totient is φ = 285237964440.

The previous prime is 571052171119. The next prime is 571052171197. The reversal of 571052171156 is 651171250175.

It is a super-2 number, since 2×571052171156² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72025826 + ... + 72033753.

It is an arithmetic number, because the mean of its divisors is an integer number (83362476960).

Almost surely, 2^571052171156 is an apocalyptic number.

It is an amenable number.

571052171156 is a deficient number, since it is larger than the sum of its proper divisors (429297552364).

571052171156 is a wasteful number, since it uses less digits than its factorization.

571052171156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144060574 (or 144060572 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 41.

The spelling of 571052171156 in words is "five hundred seventy-one billion, fifty-two million, one hundred seventy-one thousand, one hundred fifty-six".