1152230842721 has 8 divisors (see below), whose sum is σ = 1316998712640. Its totient is φ = 987503838768.

The previous prime is 1152230842717. The next prime is 1152230842747. The reversal of 1152230842721 is 1272480322511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1152230842721 - 2² = 1152230842717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152230842771) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 10156046 + ... + 10268871.

It is an arithmetic number, because the mean of its divisors is an integer number (164624839080).

Almost surely, 2^{1152230842721} is an apocalyptic number.

It is an amenable number.

1152230842721 is a deficient number, since it is larger than the sum of its proper divisors (164767869919).

1152230842721 is an equidigital number, since it uses as much as digits as its factorization.

1152230842721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20432983.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 1152230842721 in words is "one trillion, one hundred fifty-two billion, two hundred thirty million, eight hundred forty-two thousand, seven hundred twenty-one".