1117795561789 has 8 divisors (see below), whose sum is σ = 1143813508992. Its totient is φ = 1091778646560.

The previous prime is 1117795561711. The next prime is 1117795561807. The reversal of 1117795561789 is 9871655977111.

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 1117795561789 - 2⁷ = 1117795561661 is a prime.

It is a super-2 number, since 2×1117795561789² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117795567789) 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, 2203737 + ... + 2663089.

It is an arithmetic number, because the mean of its divisors is an integer number (142976688624).

Almost surely, 2^{1117795561789} is an apocalyptic number.

It is an amenable number.

1117795561789 is a deficient number, since it is larger than the sum of its proper divisors (26017947203).

1117795561789 is an equidigital number, since it uses as much as digits as its factorization.

1117795561789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515987.

The product of its digits is 33339600, while the sum is 67.

The spelling of 1117795561789 in words is "one trillion, one hundred seventeen billion, seven hundred ninety-five million, five hundred sixty-one thousand, seven hundred eighty-nine".