1131044555040 has 48 divisors (see below), whose sum is σ = 3562790349888. Its totient is φ = 301611881216.

The previous prime is 1131044555021. The next prime is 1131044555077. The reversal of 1131044555040 is 405554401311.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 1131044554992 and 1131044555010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178170932 + ... + 1178171891.

It is an arithmetic number, because the mean of its divisors is an integer number (74224798956).

Almost surely, 2^{1131044555040} is an apocalyptic number.

1131044555040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131044555040 is an abundant number, since it is smaller than the sum of its proper divisors (2431745794848).

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

1131044555040 is a wasteful number, since it uses less digits than its factorization.

1131044555040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356342841 (or 2356342833 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 1131044555040 its reverse (405554401311), we get a palindrome (1536598956351).

The spelling of 1131044555040 in words is "one trillion, one hundred thirty-one billion, forty-four million, five hundred fifty-five thousand, forty".