5144400225321 has 32 divisors (see below), whose sum is σ = 8006144225280. Its totient is φ = 2877014664576.

The previous prime is 5144400225311. The next prime is 5144400225331. The reversal of 5144400225321 is 1235220044415.

It is an interprime number because it is at equal distance from previous prime (5144400225311) and next prime (5144400225331).

It is not a de Polignac number, because 5144400225321 - 2²¹ = 5144398128169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5144400225311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37424565 + ... + 37561773.

It is an arithmetic number, because the mean of its divisors is an integer number (250192007040).

Almost surely, 2^{5144400225321} is an apocalyptic number.

It is an amenable number.

5144400225321 is a deficient number, since it is larger than the sum of its proper divisors (2861743999959).

5144400225321 is a wasteful number, since it uses less digits than its factorization.

5144400225321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175253.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 5144400225321 its reverse (1235220044415), we get a palindrome (6379620269736).

The spelling of 5144400225321 in words is "five trillion, one hundred forty-four billion, four hundred million, two hundred twenty-five thousand, three hundred twenty-one".