711728273852531 has 4 divisors (see below), whose sum is σ = 766476602610432. Its totient is φ = 656979945094632.

The previous prime is 711728273852501. The next prime is 711728273852611. The reversal of 711728273852531 is 135258372827117.

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

It is a cyclic number.

It is not a de Polignac number, because 711728273852531 - 2¹⁸ = 711728273590387 is a prime.

It is a super-2 number, since 2×711728273852531² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (711728273852501) 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, 27374164378931 + ... + 27374164378956.

It is an arithmetic number, because the mean of its divisors is an integer number (191619150652608).

Almost surely, 2^{711728273852531} is an apocalyptic number.

711728273852531 is a deficient number, since it is larger than the sum of its proper divisors (54748328757901).

711728273852531 is a wasteful number, since it uses less digits than its factorization.

711728273852531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54748328757900.

The product of its digits is 39513600, while the sum is 62.

The spelling of 711728273852531 in words is "seven hundred eleven trillion, seven hundred twenty-eight billion, two hundred seventy-three million, eight hundred fifty-two thousand, five hundred thirty-one".