1081601611617 has 8 divisors (see below), whose sum is σ = 1444030538400. Its totient is φ = 720120212960.

The previous prime is 1081601611603. The next prime is 1081601611637. The reversal of 1081601611617 is 7161161061801.

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 1081601611617 - 2²⁷ = 1081467393889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1081601611637) 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, 236879367 + ... + 236883932.

It is an arithmetic number, because the mean of its divisors is an integer number (180503817300).

Almost surely, 2^{1081601611617} is an apocalyptic number.

It is an amenable number.

1081601611617 is a deficient number, since it is larger than the sum of its proper divisors (362428926783).

1081601611617 is an equidigital number, since it uses as much as digits as its factorization.

1081601611617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473764063.

The product of its (nonzero) digits is 12096, while the sum is 39.

The spelling of 1081601611617 in words is "one trillion, eighty-one billion, six hundred one million, six hundred eleven thousand, six hundred seventeen".