711492561851 has 4 divisors (see below), whose sum is σ = 711522704112. Its totient is φ = 711462419592.

The previous prime is 711492561847. The next prime is 711492561869. The reversal of 711492561851 is 158165294117.

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 711492561851 - 2² = 711492561847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 711492561851.

It is not an unprimeable number, because it can be changed into a prime (711492564851) 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, 15035696 + ... + 15082941.

It is an arithmetic number, because the mean of its divisors is an integer number (177880676028).

Almost surely, 2^711492561851 is an apocalyptic number.

711492561851 is a deficient number, since it is larger than the sum of its proper divisors (30142261).

711492561851 is a wasteful number, since it uses less digits than its factorization.

711492561851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30142260.

The product of its digits is 604800, while the sum is 50.

The spelling of 711492561851 in words is "seven hundred eleven billion, four hundred ninety-two million, five hundred sixty-one thousand, eight hundred fifty-one".