711011671521 has 8 divisors (see below), whose sum is σ = 965902648320. Its totient is φ = 465064237872.

The previous prime is 711011671453. The next prime is 711011671543. The reversal of 711011671521 is 125176110117.

711011671521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 711011671521 - 2⁹ = 711011671009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (711011671571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2235885601 + ... + 2235885918.

It is an arithmetic number, because the mean of its divisors is an integer number (120737831040).

Almost surely, 2^711011671521 is an apocalyptic number.

It is an amenable number.

711011671521 is a deficient number, since it is larger than the sum of its proper divisors (254890976799).

711011671521 is a wasteful number, since it uses less digits than its factorization.

711011671521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471771575.

The product of its (nonzero) digits is 2940, while the sum is 33.

Adding to 711011671521 its reverse (125176110117), we get a palindrome (836187781638).

The spelling of 711011671521 in words is "seven hundred eleven billion, eleven million, six hundred seventy-one thousand, five hundred twenty-one".