1131230011120 has 40 divisors (see below), whose sum is σ = 2869210666800. Its totient is φ = 411356367360.

The previous prime is 1131230011073. The next prime is 1131230011123. The reversal of 1131230011120 is 211100321311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×1131230011120³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1131230011094 and 1131230011103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131230011123) 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 7 ways as a sum of consecutive naturals, for example, 642743445 + ... + 642745204.

It is an arithmetic number, because the mean of its divisors is an integer number (71730266670).

Almost surely, 2^{1131230011120} is an apocalyptic number.

1131230011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131230011120 is an abundant number, since it is smaller than the sum of its proper divisors (1737980655680).

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

1131230011120 is a wasteful number, since it uses less digits than its factorization.

1131230011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285488673 (or 1285488667 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1131230011120 its reverse (211100321311), we get a palindrome (1342330332431).

The spelling of 1131230011120 in words is "one trillion, one hundred thirty-one billion, two hundred thirty million, eleven thousand, one hundred twenty".