71010071001 has 6 divisors (see below), whose sum is σ = 102570102570. Its totient is φ = 47340047328.

The previous prime is 71010070987. The next prime is 71010071003. The reversal of 71010071001 is 10017001017.

It can be written as a sum of positive squares in only one way, i.e., 65392718400 + 5617352601 = 255720^2 + 74949^2 .

It is not a de Polignac number, because 71010071001 - 2¹⁵ = 71010038233 is a prime.

It is a super-2 number, since 2×71010071001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71010071003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3945003936 + ... + 3945003953.

It is an arithmetic number, because the mean of its divisors is an integer number (17095017095).

Almost surely, 2^71010071001 is an apocalyptic number.

It is an amenable number.

71010071001 is a deficient number, since it is larger than the sum of its proper divisors (31560031569).

71010071001 is a wasteful number, since it uses less digits than its factorization.

71010071001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7890007895 (or 7890007892 counting only the distinct ones).

The product of its (nonzero) digits is 49, while the sum is 18.

Adding to 71010071001 its reverse (10017001017), we get a palindrome (81027072018).

The spelling of 71010071001 in words is "seventy-one billion, ten million, seventy-one thousand, one".