1131020243144 has 16 divisors (see below), whose sum is σ = 2313450497520. Its totient is φ = 514100110480.

The previous prime is 1131020243141. The next prime is 1131020243147. The reversal of 1131020243144 is 4413420201311.

It is an interprime number because it is at equal distance from previous prime (1131020243141) and next prime (1131020243147).

It is not an unprimeable number, because it can be changed into a prime (1131020243141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6426251294 + ... + 6426251469.

It is an arithmetic number, because the mean of its divisors is an integer number (144590656095).

Almost surely, 2^{1131020243144} is an apocalyptic number.

It is an amenable number.

1131020243144 is an abundant number, since it is smaller than the sum of its proper divisors (1182430254376).

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

1131020243144 is a wasteful number, since it uses less digits than its factorization.

1131020243144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12852502780 (or 12852502776 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1131020243144 its reverse (4413420201311), we get a palindrome (5544440444455).

The spelling of 1131020243144 in words is "one trillion, one hundred thirty-one billion, twenty million, two hundred forty-three thousand, one hundred forty-four".