1131343025044 has 48 divisors (see below), whose sum is σ = 2043816179328. Its totient is φ = 547647141888.

The previous prime is 1131343025011. The next prime is 1131343025063. The reversal of 1131343025044 is 4405203431311.

It is a super-2 number, since 2×1131343025044² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131343024997 and 1131343025015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10083784 + ... + 10195360.

It is an arithmetic number, because the mean of its divisors is an integer number (42579503736).

Almost surely, 2^{1131343025044} is an apocalyptic number.

It is an amenable number.

1131343025044 is a deficient number, since it is larger than the sum of its proper divisors (912473154284).

1131343025044 is a wasteful number, since it uses less digits than its factorization.

1131343025044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112144 (or 112142 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1131343025044 its reverse (4405203431311), we get a palindrome (5536546456355).

The spelling of 1131343025044 in words is "one trillion, one hundred thirty-one billion, three hundred forty-three million, twenty-five thousand, forty-four".