4520534991528 has 64 divisors (see below), whose sum is σ = 11409939869760. Its totient is φ = 1492433473536.

The previous prime is 4520534991523. The next prime is 4520534991563. The reversal of 4520534991528 is 8251994350254.

It is not an unprimeable number, because it can be changed into a prime (4520534991523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098175 + ... + 3201102.

It is an arithmetic number, because the mean of its divisors is an integer number (178280310465).

Almost surely, 2^{4520534991528} is an apocalyptic number.

It is an amenable number.

4520534991528 is an abundant number, since it is smaller than the sum of its proper divisors (6889404878232).

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

4520534991528 is a wasteful number, since it uses less digits than its factorization.

4520534991528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4299706 (or 4299702 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 57.

The spelling of 4520534991528 in words is "four trillion, five hundred twenty billion, five hundred thirty-four million, nine hundred ninety-one thousand, five hundred twenty-eight".