711537253213 has 4 divisors (see below), whose sum is σ = 711560812348. Its totient is φ = 711513694080.

The previous prime is 711537253157. The next prime is 711537253249. The reversal of 711537253213 is 312352735117.

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

It can be written as a sum of positive squares in 2 ways, for example, as 363014685049 + 348522568164 = 602507^2 + 590358^2 .

It is a cyclic number.

It is not a de Polignac number, because 711537253213 - 2¹³ = 711537245021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711537253913) 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, 11734206 + ... + 11794687.

It is an arithmetic number, because the mean of its divisors is an integer number (177890203087).

Almost surely, 2^711537253213 is an apocalyptic number.

It is an amenable number.

711537253213 is a deficient number, since it is larger than the sum of its proper divisors (23559135).

711537253213 is a wasteful number, since it uses less digits than its factorization.

711537253213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23559134.

The product of its digits is 132300, while the sum is 40.

The spelling of 711537253213 in words is "seven hundred eleven billion, five hundred thirty-seven million, two hundred fifty-three thousand, two hundred thirteen".