5421103442451 has 12 divisors (see below), whose sum is σ = 7882340253840. Its totient is φ = 3590134729200.

The previous prime is 5421103442449. The next prime is 5421103442467. The reversal of 5421103442451 is 1542443011245.

5421103442451 is a `hidden beast` number, since 5 + 42 + 110 + 34 + 424 + 51 = 666.

It is not a de Polignac number, because 5421103442451 - 2¹ = 5421103442449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5421103442401) 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 11 ways as a sum of consecutive naturals, for example, 1994517936 + ... + 1994520653.

It is an arithmetic number, because the mean of its divisors is an integer number (656861687820).

Almost surely, 2^{5421103442451} is an apocalyptic number.

5421103442451 is a deficient number, since it is larger than the sum of its proper divisors (2461236811389).

5421103442451 is a wasteful number, since it uses less digits than its factorization.

5421103442451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989038746 (or 3989038743 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 5421103442451 its reverse (1542443011245), we get a palindrome (6963546453696).

The spelling of 5421103442451 in words is "five trillion, four hundred twenty-one billion, one hundred three million, four hundred forty-two thousand, four hundred fifty-one".