71200110011 has 4 divisors (see below), whose sum is σ = 74295766992. Its totient is φ = 68104453032.

The previous prime is 71200109999. The next prime is 71200110043. The reversal of 71200110011 is 11001100217.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71200110011 is a prime.

It is a Duffinian number.

71200110011 is a modest number, since divided by 110011 gives 712 as remainder.

It is not an unprimeable number, because it can be changed into a prime (71200110511) 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, 1547828456 + ... + 1547828501.

It is an arithmetic number, because the mean of its divisors is an integer number (18573941748).

Almost surely, 2^71200110011 is an apocalyptic number.

71200110011 is a deficient number, since it is larger than the sum of its proper divisors (3095656981).

71200110011 is a wasteful number, since it uses less digits than its factorization.

71200110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095656980.

The product of its (nonzero) digits is 14, while the sum is 14.

Adding to 71200110011 its reverse (11001100217), we get a palindrome (82201210228).

The spelling of 71200110011 in words is "seventy-one billion, two hundred million, one hundred ten thousand, eleven".