2511144442 has 8 divisors (see below), whose sum is σ = 3767800032. Its totient is φ = 1255211100.

The previous prime is 2511144397. The next prime is 2511144451. The reversal of 2511144442 is 2444411152.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2511144442.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 171784 + ... + 185827.

It is an arithmetic number, because the mean of its divisors is an integer number (470975004).

Almost surely, 2^2511144442 is an apocalyptic number.

2511144442 is a deficient number, since it is larger than the sum of its proper divisors (1256655590).

2511144442 is a wasteful number, since it uses less digits than its factorization.

2511144442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361124.

The product of its digits is 5120, while the sum is 28.

The square root of 2511144442 is about 50111.3204974684. The cubic root of 2511144442 is about 1359.2225303267. Note that the first 3 decimals are identical.

Adding to 2511144442 its reverse (2444411152), we get a palindrome (4955555594).

The spelling of 2511144442 in words is "two billion, five hundred eleven million, one hundred forty-four thousand, four hundred forty-two".