10520453555451 has 24 divisors (see below), whose sum is σ = 17367362648064. Its totient is φ = 6011596113840.

The previous prime is 10520453555441. The next prime is 10520453555453. The reversal of 10520453555451 is 15455535402501.

10520453555451 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 0 + 4 + 53 + 55 + 545 + 1 = 666.

It is not a de Polignac number, because 10520453555451 - 2⁷ = 10520453555323 is a prime.

It is a super-2 number, since 2×10520453555451² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10520453555397 and 10520453555406.

It is not an unprimeable number, because it can be changed into a prime (10520453555453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3006660 + ... + 5484606.

It is an arithmetic number, because the mean of its divisors is an integer number (723640110336).

Almost surely, 2^{10520453555451} is an apocalyptic number.

10520453555451 is a deficient number, since it is larger than the sum of its proper divisors (6846909092613).

10520453555451 is a wasteful number, since it uses less digits than its factorization.

10520453555451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545351 (or 2545348 counting only the distinct ones).

The product of its (nonzero) digits is 1500000, while the sum is 45.

Adding to 10520453555451 its reverse (15455535402501), we get a palindrome (25975988957952).

The spelling of 10520453555451 in words is "ten trillion, five hundred twenty billion, four hundred fifty-three million, five hundred fifty-five thousand, four hundred fifty-one".