1140721665996 has 48 divisors (see below), whose sum is σ = 2904845505408. Its totient is φ = 345531523200.

The previous prime is 1140721665971. The next prime is 1140721666003. The reversal of 1140721665996 is 6995661270411.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1447930 + ... + 2092353.

It is an arithmetic number, because the mean of its divisors is an integer number (60517614696).

Almost surely, 2^{1140721665996} is an apocalyptic number.

It is an amenable number.

1140721665996 is an abundant number, since it is smaller than the sum of its proper divisors (1764123839412).

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

1140721665996 is a wasteful number, since it uses less digits than its factorization.

1140721665996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542742 (or 3542740 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 1140721665996 in words is "one trillion, one hundred forty billion, seven hundred twenty-one million, six hundred sixty-five thousand, nine hundred ninety-six".