11443142434 has 4 divisors (see below), whose sum is σ = 17164713654. Its totient is φ = 5721571216.

The previous prime is 11443142429. The next prime is 11443142441. The reversal of 11443142434 is 43424134411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11294375625 + 148766809 = 106275^2 + 12197^2 .

It is a super-2 number, since 2×11443142434² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11443142396 and 11443142405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2860785607 + ... + 2860785610.

Almost surely, 2^11443142434 is an apocalyptic number.

11443142434 is a deficient number, since it is larger than the sum of its proper divisors (5721571220).

11443142434 is an equidigital number, since it uses as much as digits as its factorization.

11443142434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721571219.

The product of its digits is 18432, while the sum is 31.

Adding to 11443142434 its reverse (43424134411), we get a palindrome (54867276845).

The spelling of 11443142434 in words is "eleven billion, four hundred forty-three million, one hundred forty-two thousand, four hundred thirty-four".