10200512545 has 4 divisors (see below), whose sum is σ = 12240615060. Its totient is φ = 8160410032.

The previous prime is 10200512527. The next prime is 10200512579. The reversal of 10200512545 is 54521500201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1084845969 + 9115666576 = 32937^2 + 95476^2 .

It is a cyclic number.

It is not a de Polignac number, because 10200512545 - 2⁹ = 10200512033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020051250 + ... + 1020051259.

It is an arithmetic number, because the mean of its divisors is an integer number (3060153765).

Almost surely, 2^10200512545 is an apocalyptic number.

It is an amenable number.

10200512545 is a deficient number, since it is larger than the sum of its proper divisors (2040102515).

10200512545 is an equidigital number, since it uses as much as digits as its factorization.

10200512545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040102514.

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

The spelling of 10200512545 in words is "ten billion, two hundred million, five hundred twelve thousand, five hundred forty-five".