1121146665644 has 6 divisors (see below), whose sum is σ = 1962006664884. Its totient is φ = 560573332820.

The previous prime is 1121146665631. The next prime is 1121146665659. The reversal of 1121146665644 is 4465666411211.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 140143333202 + ... + 140143333209.

It is an arithmetic number, because the mean of its divisors is an integer number (327001110814).

Almost surely, 2^{1121146665644} is an apocalyptic number.

It is an amenable number.

1121146665644 is a deficient number, since it is larger than the sum of its proper divisors (840859999240).

1121146665644 is a wasteful number, since it uses less digits than its factorization.

1121146665644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280286666415 (or 280286666413 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The spelling of 1121146665644 in words is "one trillion, one hundred twenty-one billion, one hundred forty-six million, six hundred sixty-five thousand, six hundred forty-four".