10125045545 has 4 divisors (see below), whose sum is σ = 12150054660. Its totient is φ = 8100036432.

The previous prime is 10125045509. The next prime is 10125045551. The reversal of 10125045545 is 54554052101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54554052101 = 71 ⋅768366931.

It can be written as a sum of positive squares in 2 ways, for example, as 3404489104 + 6720556441 = 58348^2 + 81979^2 .

It is a cyclic number.

It is not a de Polignac number, because 10125045545 - 2¹² = 10125041449 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012504550 + ... + 1012504559.

It is an arithmetic number, because the mean of its divisors is an integer number (3037513665).

Almost surely, 2^10125045545 is an apocalyptic number.

It is an amenable number.

10125045545 is a deficient number, since it is larger than the sum of its proper divisors (2025009115).

10125045545 is an equidigital number, since it uses as much as digits as its factorization.

10125045545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025009114.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 10125045545 its reverse (54554052101), we get a palindrome (64679097646).

The spelling of 10125045545 in words is "ten billion, one hundred twenty-five million, forty-five thousand, five hundred forty-five".