10571072071 has 4 divisors (see below), whose sum is σ = 12081225232. Its totient is φ = 9060918912.

The previous prime is 10571072063. The next prime is 10571072077. The reversal of 10571072071 is 17027017501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10571072071 - 2³ = 10571072063 is a prime.

It is a super-2 number, since 2×10571072071² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10571072077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755076570 + ... + 755076583.

It is an arithmetic number, because the mean of its divisors is an integer number (3020306308).

Almost surely, 2^10571072071 is an apocalyptic number.

10571072071 is a deficient number, since it is larger than the sum of its proper divisors (1510153161).

10571072071 is an equidigital number, since it uses as much as digits as its factorization.

10571072071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510153160.

The product of its (nonzero) digits is 3430, while the sum is 31.

Adding to 10571072071 its reverse (17027017501), we get a palindrome (27598089572).

The spelling of 10571072071 in words is "ten billion, five hundred seventy-one million, seventy-two thousand, seventy-one".