5451104444321 has 4 divisors (see below), whose sum is σ = 5451224302212. Its totient is φ = 5450984586432.

The previous prime is 5451104444299. The next prime is 5451104444329. The reversal of 5451104444321 is 1234444011545.

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 2397124510225 + 3053979934096 = 1548265^2 + 1747564^2 .

It is a cyclic number.

It is not a de Polignac number, because 5451104444321 - 2¹⁰ = 5451104443297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5451104444329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59860700 + ... + 59951693.

It is an arithmetic number, because the mean of its divisors is an integer number (1362806075553).

Almost surely, 2^{5451104444321} is an apocalyptic number.

It is an amenable number.

5451104444321 is a deficient number, since it is larger than the sum of its proper divisors (119857891).

5451104444321 is a wasteful number, since it uses less digits than its factorization.

5451104444321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119857890.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 5451104444321 its reverse (1234444011545), we get a palindrome (6685548455866).

The spelling of 5451104444321 in words is "five trillion, four hundred fifty-one billion, one hundred four million, four hundred forty-four thousand, three hundred twenty-one".