5454122351521 has 4 divisors (see below), whose sum is σ = 5454425157652. Its totient is φ = 5453819545392.

The previous prime is 5454122351429. The next prime is 5454122351567. The reversal of 5454122351521 is 1251532214545.

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 5008245643921 + 445876707600 = 2237911^2 + 667740^2 .

It is a cyclic number.

It is not a de Polignac number, because 5454122351521 - 2¹⁵ = 5454122318753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5454122351581) 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, 151376046 + ... + 151412071.

It is an arithmetic number, because the mean of its divisors is an integer number (1363606289413).

Almost surely, 2^{5454122351521} is an apocalyptic number.

It is an amenable number.

5454122351521 is a deficient number, since it is larger than the sum of its proper divisors (302806131).

5454122351521 is a wasteful number, since it uses less digits than its factorization.

5454122351521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302806130.

The product of its digits is 240000, while the sum is 40.

The spelling of 5454122351521 in words is "five trillion, four hundred fifty-four billion, one hundred twenty-two million, three hundred fifty-one thousand, five hundred twenty-one".