1045161208609 has 8 divisors (see below), whose sum is σ = 1194483028928. Its totient is φ = 895842657360.

The previous prime is 1045161208591. The next prime is 1045161208639. The reversal of 1045161208609 is 9068021615401.

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

It is not a de Polignac number, because 1045161208609 - 2⁹ = 1045161208097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045161208639) 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, 88887 + ... + 1448524.

It is an arithmetic number, because the mean of its divisors is an integer number (149310378616).

Almost surely, 2^{1045161208609} is an apocalyptic number.

It is an amenable number.

1045161208609 is a deficient number, since it is larger than the sum of its proper divisors (149321820319).

1045161208609 is an equidigital number, since it uses as much as digits as its factorization.

1045161208609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634535.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 1045161208609 in words is "one trillion, forty-five billion, one hundred sixty-one million, two hundred eight thousand, six hundred nine".