10450454510521 has 4 divisors (see below), whose sum is σ = 10504601943412. Its totient is φ = 10396307077632.

The previous prime is 10450454510329. The next prime is 10450454510549. The reversal of 10450454510521 is 12501545405401.

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 7576036051600 + 2874418458921 = 2752460^2 + 1695411^2 .

It is a cyclic number.

It is not a de Polignac number, because 10450454510521 - 2¹⁵ = 10450454477753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10450454510021) by changing a digit.

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, 27073716156 + ... + 27073716541.

It is an arithmetic number, because the mean of its divisors is an integer number (2626150485853).

Almost surely, 2^{10450454510521} is an apocalyptic number.

It is an amenable number.

10450454510521 is a deficient number, since it is larger than the sum of its proper divisors (54147432891).

10450454510521 is an equidigital number, since it uses as much as digits as its factorization.

10450454510521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54147432890.

The product of its (nonzero) digits is 80000, while the sum is 37.

Adding to 10450454510521 its reverse (12501545405401), we get a palindrome (22951999915922).

The spelling of 10450454510521 in words is "ten trillion, four hundred fifty billion, four hundred fifty-four million, five hundred ten thousand, five hundred twenty-one".