711305002163720 has 32 divisors (see below), whose sum is σ = 1600444370349720. Its totient is φ = 284520558113280.

The previous prime is 711305002163617. The next prime is 711305002163797. The reversal of 711305002163720 is 27361200503117.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 687984466973764 + 23320535189956 = 26229458^2 + 4829134^2 .

It is a super-2 number, since 2×711305002163720² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37081547 + ... + 52892826.

Almost surely, 2^{711305002163720} is an apocalyptic number.

It is an amenable number.

711305002163720 is an abundant number, since it is smaller than the sum of its proper divisors (889139368186000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

711305002163720 is a wasteful number, since it uses less digits than its factorization.

711305002163720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90172025 (or 90172021 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

Adding to 711305002163720 its reverse (27361200503117), we get a palindrome (738666202666837).

The spelling of 711305002163720 in words is "seven hundred eleven trillion, three hundred five billion, two million, one hundred sixty-three thousand, seven hundred twenty".