1131442224044 has 24 divisors (see below), whose sum is σ = 2160311252736. Its totient is φ = 514224018000.

The previous prime is 1131442224001. The next prime is 1131442224049. The reversal of 1131442224044 is 4404222441311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131442224044.

It is not an unprimeable number, because it can be changed into a prime (1131442224049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1359752 + ... + 2027759.

It is an arithmetic number, because the mean of its divisors is an integer number (90012968864).

Almost surely, 2^{1131442224044} is an apocalyptic number.

It is an amenable number.

1131442224044 is a deficient number, since it is larger than the sum of its proper divisors (1028869028692).

1131442224044 is a wasteful number, since it uses less digits than its factorization.

1131442224044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395117 (or 3395115 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 1131442224044 its reverse (4404222441311), we get a palindrome (5535664665355).

The spelling of 1131442224044 in words is "one trillion, one hundred thirty-one billion, four hundred forty-two million, two hundred twenty-four thousand, forty-four".