10045512520 has 32 divisors (see below), whose sum is σ = 22826198520. Its totient is φ = 3978419200.

The previous prime is 10045512509. The next prime is 10045512527. The reversal of 10045512520 is 2521554001.

It can be written as a sum of positive squares in 4 ways, for example, as 9910998916 + 134513604 = 99554^2 + 11598^2 .

It is not an unprimeable number, because it can be changed into a prime (10045512527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239217 + ... + 1247296.

Almost surely, 2^10045512520 is an apocalyptic number.

10045512520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10045512520 is an abundant number, since it is smaller than the sum of its proper divisors (12780686000).

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

10045512520 is a wasteful number, since it uses less digits than its factorization.

10045512520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486625 (or 2486621 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 10045512520 in words is "ten billion, forty-five million, five hundred twelve thousand, five hundred twenty".