5121042144 has 24 divisors (see below), whose sum is σ = 13442735880. Its totient is φ = 1707014016.

The previous prime is 5121042137. The next prime is 5121042151. The reversal of 5121042144 is 4412401215.

It is an interprime number because it is at equal distance from previous prime (5121042137) and next prime (5121042151).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26671999 + ... + 26672190.

It is an arithmetic number, because the mean of its divisors is an integer number (560113995).

Almost surely, 2^5121042144 is an apocalyptic number.

It is an amenable number.

5121042144 is an abundant number, since it is smaller than the sum of its proper divisors (8321693736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5121042144 is a wasteful number, since it uses less digits than its factorization.

5121042144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53344202 (or 53344194 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 5121042144 is about 71561.4571120516. The cubic root of 5121042144 is about 1723.6646832166.

Adding to 5121042144 its reverse (4412401215), we get a palindrome (9533443359).

The spelling of 5121042144 in words is "five billion, one hundred twenty-one million, forty-two thousand, one hundred forty-four".