711509012 has 6 divisors (see below), whose sum is σ = 1245140778. Its totient is φ = 355754504.

The previous prime is 711508961. The next prime is 711509053. The reversal of 711509012 is 210905117.

It can be written as a sum of positive squares in only one way, i.e., 710435716 + 1073296 = 26654^2 + 1036^2 .

It is a super-2 number, since 2×711509012² = 1012490148314432288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88938623 + ... + 88938630.

It is an arithmetic number, because the mean of its divisors is an integer number (207523463).

Almost surely, 2^711509012 is an apocalyptic number.

It is an amenable number.

711509012 is a deficient number, since it is larger than the sum of its proper divisors (533631766).

711509012 is a wasteful number, since it uses less digits than its factorization.

711509012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177877257 (or 177877255 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 711509012 is about 26674.1262649782. The cubic root of 711509012 is about 892.7437157134.

The spelling of 711509012 in words is "seven hundred eleven million, five hundred nine thousand, twelve".