71057206411 has 32 divisors (see below), whose sum is σ = 79441920000. Its totient is φ = 63249851808.

The previous prime is 71057206403. The next prime is 71057206463. The reversal of 71057206411 is 11460275017.

It is a cyclic number.

It is not a de Polignac number, because 71057206411 - 2³ = 71057206403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71057206211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6864906 + ... + 6875248.

It is an arithmetic number, because the mean of its divisors is an integer number (2482560000).

Almost surely, 2^71057206411 is an apocalyptic number.

71057206411 is a deficient number, since it is larger than the sum of its proper divisors (8384713589).

71057206411 is a wasteful number, since it uses less digits than its factorization.

71057206411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10663.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 71057206411 in words is "seventy-one billion, fifty-seven million, two hundred six thousand, four hundred eleven".