10545240520 has 16 divisors (see below), whose sum is σ = 23726791260. Its totient is φ = 4218096192.

The previous prime is 10545240487. The next prime is 10545240527. The reversal of 10545240520 is 2504254501.

It can be written as a sum of positive squares in 2 ways, for example, as 10068516964 + 476723556 = 100342^2 + 21834^2 .

It is a super-2 number, since 2×10545240520² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10545240527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131815467 + ... + 131815546.

Almost surely, 2^10545240520 is an apocalyptic number.

10545240520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10545240520 is an abundant number, since it is smaller than the sum of its proper divisors (13181550740).

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

10545240520 is a wasteful number, since it uses less digits than its factorization.

10545240520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263631024 (or 263631020 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The spelling of 10545240520 in words is "ten billion, five hundred forty-five million, two hundred forty thousand, five hundred twenty".