5144400230121 has 24 divisors (see below), whose sum is σ = 7435378810080. Its totient is φ = 3427487481600.

The previous prime is 5144400230119. The next prime is 5144400230147. The reversal of 5144400230121 is 1210320044415.

5144400230121 is a `hidden beast` number, since 5 + 1 + 4 + 4 + 400 + 230 + 1 + 21 = 666.

It is not a de Polignac number, because 5144400230121 - 2¹ = 5144400230119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5144400230161) 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, 189879786 + ... + 189906876.

It is an arithmetic number, because the mean of its divisors is an integer number (309807450420).

Almost surely, 2^{5144400230121} is an apocalyptic number.

It is an amenable number.

5144400230121 is a deficient number, since it is larger than the sum of its proper divisors (2290978579959).

5144400230121 is a wasteful number, since it uses less digits than its factorization.

5144400230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39317 (or 39314 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 5144400230121 its reverse (1210320044415), we get a palindrome (6354720274536).

The spelling of 5144400230121 in words is "five trillion, one hundred forty-four billion, four hundred million, two hundred thirty thousand, one hundred twenty-one".