1144741511023 has 4 divisors (see below), whose sum is σ = 1248808921128. Its totient is φ = 1040674100920.

The previous prime is 1144741510999. The next prime is 1144741511033. The reversal of 1144741511023 is 3201151474411.

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

It is a cyclic number.

It is not a de Polignac number, because 1144741511023 - 2⁹ = 1144741510511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144741511023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144741511033) 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, 52033705036 + ... + 52033705057.

It is an arithmetic number, because the mean of its divisors is an integer number (312202230282).

Almost surely, 2^{1144741511023} is an apocalyptic number.

1144741511023 is a deficient number, since it is larger than the sum of its proper divisors (104067410105).

1144741511023 is a wasteful number, since it uses less digits than its factorization.

1144741511023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104067410104.

The product of its (nonzero) digits is 13440, while the sum is 34.

Adding to 1144741511023 its reverse (3201151474411), we get a palindrome (4345892985434).

The spelling of 1144741511023 in words is "one trillion, one hundred forty-four billion, seven hundred forty-one million, five hundred eleven thousand, twenty-three".