1117044645641 has 4 divisors (see below), whose sum is σ = 1127889739392. Its totient is φ = 1106199551892.

The previous prime is 1117044645623. The next prime is 1117044645649. The reversal of 1117044645641 is 1465464407111.

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 1117044645641 - 2³⁸ = 842166738697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1117044645592 and 1117044645601.

It is not an unprimeable number, because it can be changed into a prime (1117044645649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5422546721 + ... + 5422546926.

It is an arithmetic number, because the mean of its divisors is an integer number (281972434848).

Almost surely, 2^{1117044645641} is an apocalyptic number.

It is an amenable number.

1117044645641 is a deficient number, since it is larger than the sum of its proper divisors (10845093751).

1117044645641 is a wasteful number, since it uses less digits than its factorization.

1117044645641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845093750.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 1117044645641 in words is "one trillion, one hundred seventeen billion, forty-four million, six hundred forty-five thousand, six hundred forty-one".