10520520064 has 32 divisors (see below), whose sum is σ = 20982970800. Its totient is φ = 5254205952.

The previous prime is 10520520061. The next prime is 10520520067. The reversal of 10520520064 is 46002502501.

It is an interprime number because it is at equal distance from previous prime (10520520061) and next prime (10520520067).

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×10520520064² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520520061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65397 + ... + 159115.

Almost surely, 2^10520520064 is an apocalyptic number.

It is an amenable number.

10520520064 is a deficient number, since it is larger than the sum of its proper divisors (10462450736).

10520520064 is an frugal number, since it uses more digits than its factorization.

10520520064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94610 (or 94598 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 10520520064 in words is "ten billion, five hundred twenty million, five hundred twenty thousand, sixty-four".