71297853411 has 4 divisors (see below), whose sum is σ = 95063804552. Its totient is φ = 47531902272.

The previous prime is 71297853373. The next prime is 71297853469. The reversal of 71297853411 is 11435879217.

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

It is not a de Polignac number, because 71297853411 - 2¹³ = 71297845219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71297853491) 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, 11882975566 + ... + 11882975571.

It is an arithmetic number, because the mean of its divisors is an integer number (23765951138).

Almost surely, 2^71297853411 is an apocalyptic number.

71297853411 is a deficient number, since it is larger than the sum of its proper divisors (23765951141).

71297853411 is a wasteful number, since it uses less digits than its factorization.

71297853411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23765951140.

The product of its digits is 423360, while the sum is 48.

The spelling of 71297853411 in words is "seventy-one billion, two hundred ninety-seven million, eight hundred fifty-three thousand, four hundred eleven".