71017426601 has 6 divisors (see below), whose sum is σ = 78060477306. Its totient is φ = 64561296800.

The previous prime is 71017426589. The next prime is 71017426603. The reversal of 71017426601 is 10662471017.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 70979616400 + 37810201 = 266420^2 + 6149^2 .

It is a de Polignac number, because none of the positive numbers 2^k-71017426601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71017426603) 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, 293460320 + ... + 293460561.

It is an arithmetic number, because the mean of its divisors is an integer number (13010079551).

Almost surely, 2^71017426601 is an apocalyptic number.

It is an amenable number.

71017426601 is a deficient number, since it is larger than the sum of its proper divisors (7043050705).

71017426601 is a wasteful number, since it uses less digits than its factorization.

71017426601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586920903 (or 586920892 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

Adding to 71017426601 its reverse (10662471017), we get a palindrome (81679897618).

The spelling of 71017426601 in words is "seventy-one billion, seventeen million, four hundred twenty-six thousand, six hundred one".