10571841521 has 2 divisors, whose sum is σ = 10571841522. Its totient is φ = 10571841520.

The previous prime is 10571841473. The next prime is 10571841551. The reversal of 10571841521 is 12514817501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8974720225 + 1597121296 = 94735^2 + 39964^2 .

It is an emirp because it is prime and its reverse (12514817501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10571841521 - 2³⁰ = 9498099697 is a prime.

It is a super-2 number, since 2×10571841521² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10571841551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5285920760 + 5285920761.

It is an arithmetic number, because the mean of its divisors is an integer number (5285920761).

Almost surely, 2^10571841521 is an apocalyptic number.

It is an amenable number.

10571841521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10571841521 is an equidigital number, since it uses as much as digits as its factorization.

10571841521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 35.

The spelling of 10571841521 in words is "ten billion, five hundred seventy-one million, eight hundred forty-one thousand, five hundred twenty-one".