1161613064705 has 8 divisors (see below), whose sum is σ = 1394244987072. Its totient is φ = 929084245488.

The previous prime is 1161613064681. The next prime is 1161613064723. The reversal of 1161613064705 is 5074603161611.

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 1161613064705 - 2¹⁸ = 1161612802561 is a prime.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 25750997 + ... + 25796066.

It is an arithmetic number, because the mean of its divisors is an integer number (174280623384).

Almost surely, 2^{1161613064705} is an apocalyptic number.

It is an amenable number.

1161613064705 is a deficient number, since it is larger than the sum of its proper divisors (232631922367).

1161613064705 is an equidigital number, since it uses as much as digits as its factorization.

1161613064705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51551575.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 1161613064705 in words is "one trillion, one hundred sixty-one billion, six hundred thirteen million, sixty-four thousand, seven hundred five".