10520504345 has 48 divisors (see below), whose sum is σ = 14454950400. Its totient is φ = 7326858240.

The previous prime is 10520504329. The next prime is 10520504353. The reversal of 10520504345 is 54340502501.

It is not a de Polignac number, because 10520504345 - 2⁴ = 10520504329 is a prime.

It is a super-2 number, since 2×10520504345² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3867896 + ... + 3870614.

It is an arithmetic number, because the mean of its divisors is an integer number (301144800).

Almost surely, 2^10520504345 is an apocalyptic number.

It is an amenable number.

10520504345 is a deficient number, since it is larger than the sum of its proper divisors (3934446055).

10520504345 is a wasteful number, since it uses less digits than its factorization.

10520504345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010 (or 2997 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 10520504345 in words is "ten billion, five hundred twenty million, five hundred four thousand, three hundred forty-five".