117561444553 has 8 divisors (see below), whose sum is σ = 138689999360. Its totient is φ = 97516405440.

The previous prime is 117561444551. The next prime is 117561444619. The reversal of 117561444553 is 355444165711.

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 117561444553 - 2¹ = 117561444551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117561444551) 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, 270878688 + ... + 270879121.

It is an arithmetic number, because the mean of its divisors is an integer number (17336249920).

Almost surely, 2^117561444553 is an apocalyptic number.

It is an amenable number.

117561444553 is a deficient number, since it is larger than the sum of its proper divisors (21128554807).

117561444553 is an equidigital number, since it uses as much as digits as its factorization.

117561444553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541757847.

The product of its digits is 1008000, while the sum is 46.

The spelling of 117561444553 in words is "one hundred seventeen billion, five hundred sixty-one million, four hundred forty-four thousand, five hundred fifty-three".