1156560859663 has 8 divisors (see below), whose sum is σ = 1264034930256. Its totient is φ = 1049475484800.

The previous prime is 1156560859613. The next prime is 1156560859709. The reversal of 1156560859663 is 3669580656511.

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 1156560859663 - 2⁹ = 1156560859151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156560859613) 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, 97167706 + ... + 97179607.

It is an arithmetic number, because the mean of its divisors is an integer number (158004366282).

Almost surely, 2^{1156560859663} is an apocalyptic number.

1156560859663 is a deficient number, since it is larger than the sum of its proper divisors (107474070593).

1156560859663 is a wasteful number, since it uses less digits than its factorization.

1156560859663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194347865.

The product of its (nonzero) digits is 34992000, while the sum is 61.

The spelling of 1156560859663 in words is "one trillion, one hundred fifty-six billion, five hundred sixty million, eight hundred fifty-nine thousand, six hundred sixty-three".