1131145406444 has 6 divisors (see below), whose sum is σ = 1979504461284. Its totient is φ = 565572703220.

The previous prime is 1131145406401. The next prime is 1131145406477. The reversal of 1131145406444 is 4446045411311.

It is a junction number, because it is equal to n+sod(n) for n = 1131145406398 and 1131145406407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141393175802 + ... + 141393175809.

It is an arithmetic number, because the mean of its divisors is an integer number (329917410214).

Almost surely, 2^{1131145406444} is an apocalyptic number.

It is an amenable number.

1131145406444 is a deficient number, since it is larger than the sum of its proper divisors (848359054840).

1131145406444 is a wasteful number, since it uses less digits than its factorization.

1131145406444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282786351615 (or 282786351613 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 1131145406444 in words is "one trillion, one hundred thirty-one billion, one hundred forty-five million, four hundred six thousand, four hundred forty-four".