1042641613361 has 4 divisors (see below), whose sum is σ = 1076275213824. Its totient is φ = 1009008012900.

The previous prime is 1042641613289. The next prime is 1042641613369. The reversal of 1042641613361 is 1633161462401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1042641613361 - 2¹⁸ = 1042641351217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042641613369) 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 3 ways as a sum of consecutive naturals, for example, 16816800185 + ... + 16816800246.

It is an arithmetic number, because the mean of its divisors is an integer number (269068803456).

Almost surely, 2^{1042641613361} is an apocalyptic number.

It is an amenable number.

1042641613361 is a deficient number, since it is larger than the sum of its proper divisors (33633600463).

1042641613361 is an equidigital number, since it uses as much as digits as its factorization.

1042641613361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33633600462.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 1042641613361 in words is "one trillion, forty-two billion, six hundred forty-one million, six hundred thirteen thousand, three hundred sixty-one".