1123140545044 has 24 divisors (see below), whose sum is σ = 2246618691968. Its totient is φ = 481273604640.

The previous prime is 1123140545041. The next prime is 1123140545069. The reversal of 1123140545044 is 4405450413211.

It is a happy number.

It is a super-2 number, since 2×1123140545044² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123140545041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2824464 + ... + 3197479.

Almost surely, 2^{1123140545044} is an apocalyptic number.

1123140545044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1123140545044 is an abundant number, since it is smaller than the sum of its proper divisors (1123478146924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123140545044 is a wasteful number, since it uses less digits than its factorization.

1123140545044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6028615 (or 6028613 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 1123140545044 its reverse (4405450413211), we get a palindrome (5528590958255).

The spelling of 1123140545044 in words is "one trillion, one hundred twenty-three billion, one hundred forty million, five hundred forty-five thousand, forty-four".