1131144434143 has 4 divisors (see below), whose sum is σ = 1142343884088. Its totient is φ = 1119944984200.

The previous prime is 1131144434131. The next prime is 1131144434149. The reversal of 1131144434143 is 3414344411311.

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

It is not a de Polignac number, because 1131144434143 - 2⁵ = 1131144434111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131144434099 and 1131144434108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131144434149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5599724821 + ... + 5599725022.

It is an arithmetic number, because the mean of its divisors is an integer number (285585971022).

Almost surely, 2^{1131144434143} is an apocalyptic number.

1131144434143 is a deficient number, since it is larger than the sum of its proper divisors (11199449945).

1131144434143 is a wasteful number, since it uses less digits than its factorization.

1131144434143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11199449944.

The product of its digits is 27648, while the sum is 34.

Adding to 1131144434143 its reverse (3414344411311), we get a palindrome (4545488845454).

The spelling of 1131144434143 in words is "one trillion, one hundred thirty-one billion, one hundred forty-four million, four hundred thirty-four thousand, one hundred forty-three".