10520520104451 has 16 divisors (see below), whose sum is σ = 16173138369024. Its totient is φ = 5958524659584.

The previous prime is 10520520104411. The next prime is 10520520104461. The reversal of 10520520104451 is 15440102502501.

It is not a de Polignac number, because 10520520104451 - 2²⁷ = 10520385886723 is a prime.

It is a super-2 number, since 2×10520520104451² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10520520104411) 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 15 ways as a sum of consecutive naturals, for example, 2216710671 + ... + 2216715416.

It is an arithmetic number, because the mean of its divisors is an integer number (1010821148064).

Almost surely, 2^{10520520104451} is an apocalyptic number.

10520520104451 is a deficient number, since it is larger than the sum of its proper divisors (5652618264573).

10520520104451 is a wasteful number, since it uses less digits than its factorization.

10520520104451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433426210.

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 10520520104451 its reverse (15440102502501), we get a palindrome (25960622606952).

The spelling of 10520520104451 in words is "ten trillion, five hundred twenty billion, five hundred twenty million, one hundred four thousand, four hundred fifty-one".