1152663335561 has 8 divisors (see below), whose sum is σ = 1166632183584. Its totient is φ = 1138696424320.

The previous prime is 1152663335491. The next prime is 1152663335627. The reversal of 1152663335561 is 1655333662511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1152663335561 is a prime.

It is a super-2 number, since 2×1152663335561² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152663335861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731690 + ... + 1685436.

It is an arithmetic number, because the mean of its divisors is an integer number (145829022948).

Almost surely, 2^{1152663335561} is an apocalyptic number.

It is an amenable number.

1152663335561 is a deficient number, since it is larger than the sum of its proper divisors (13968848023).

1152663335561 is an equidigital number, since it uses as much as digits as its factorization.

1152663335561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968391.

The product of its digits is 1458000, while the sum is 47.

The spelling of 1152663335561 in words is "one trillion, one hundred fifty-two billion, six hundred sixty-three million, three hundred thirty-five thousand, five hundred sixty-one".