5142111321 has 8 divisors (see below), whose sum is σ = 6857952480. Its totient is φ = 3427172192.

The previous prime is 5142111263. The next prime is 5142111347. The reversal of 5142111321 is 1231112415.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5142111321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5142111361) 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, 212091 + ... + 235088.

It is an arithmetic number, because the mean of its divisors is an integer number (857244060).

Almost surely, 2^5142111321 is an apocalyptic number.

It is an amenable number.

5142111321 is a deficient number, since it is larger than the sum of its proper divisors (1715841159).

5142111321 is a wasteful number, since it uses less digits than its factorization.

5142111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451015.

The product of its digits is 240, while the sum is 21.

The square root of 5142111321 is about 71708.5163770664. The cubic root of 5142111321 is about 1726.0253033362.

Adding to 5142111321 its reverse (1231112415), we get a palindrome (6373223736).

The spelling of 5142111321 in words is "five billion, one hundred forty-two million, one hundred eleven thousand, three hundred twenty-one".