71023052411 has 4 divisors (see below), whose sum is σ = 72755322024. Its totient is φ = 69290782800.

The previous prime is 71023052393. The next prime is 71023052437. The reversal of 71023052411 is 11425032017.

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 71023052411 - 2²² = 71018858107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71023052461) 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, 866134745 + ... + 866134826.

It is an arithmetic number, because the mean of its divisors is an integer number (18188830506).

Almost surely, 2^71023052411 is an apocalyptic number.

71023052411 is a deficient number, since it is larger than the sum of its proper divisors (1732269613).

71023052411 is a wasteful number, since it uses less digits than its factorization.

71023052411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732269612.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 71023052411 its reverse (11425032017), we get a palindrome (82448084428).

The spelling of 71023052411 in words is "seventy-one billion, twenty-three million, fifty-two thousand, four hundred eleven".