520711257006 has 24 divisors (see below), whose sum is σ = 1128299359824. Its totient is φ = 173556321120.

The previous prime is 520711256981. The next prime is 520711257107. The reversal of 520711257006 is 600752117025.

520711257006 is a `hidden beast` number, since 5 + 2 + 0 + 71 + 12 + 570 + 0 + 6 = 666.

It is a super-2 number, since 2×520711257006² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 945850 + ... + 1391421.

It is an arithmetic number, because the mean of its divisors is an integer number (47012473326).

Almost surely, 2^520711257006 is an apocalyptic number.

520711257006 is an abundant number, since it is smaller than the sum of its proper divisors (607588102818).

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

520711257006 is a wasteful number, since it uses less digits than its factorization.

520711257006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349656 (or 2349653 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The spelling of 520711257006 in words is "five hundred twenty billion, seven hundred eleven million, two hundred fifty-seven thousand, six".