5155143121 has 8 divisors (see below), whose sum is σ = 5512432104. Its totient is φ = 4803859200.

The previous prime is 5155143101. The next prime is 5155143143. The reversal of 5155143121 is 1213415515.

It can be written as a sum of positive squares in 4 ways, for example, as 1080108225 + 4075034896 = 32865^2 + 63836^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5155143121 - 2²³ = 5146754513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5155143121.

It is not an unprimeable number, because it can be changed into a prime (5155143101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499490 + ... + 1502923.

It is an arithmetic number, because the mean of its divisors is an integer number (689054013).

Almost surely, 2^5155143121 is an apocalyptic number.

It is an amenable number.

5155143121 is a deficient number, since it is larger than the sum of its proper divisors (357288983).

5155143121 is a wasteful number, since it uses less digits than its factorization.

5155143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002531.

The product of its digits is 3000, while the sum is 28.

The square root of 5155143121 is about 71799.3253519836. The cubic root of 5155143121 is about 1727.4821784159.

Adding to 5155143121 its reverse (1213415515), we get a palindrome (6368558636).

The spelling of 5155143121 in words is "five billion, one hundred fifty-five million, one hundred forty-three thousand, one hundred twenty-one".