117411078409 has 3 divisors (see below), whose sum is σ = 117411421063. Its totient is φ = 117410735756.

The previous prime is 117411078353. The next prime is 117411078437. The reversal of 117411078409 is 904870114711.

The square root of 117411078409 is 342653.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 50861525625 + 66549552784 = 225525^2 + 257972^2 .

It is not a de Polignac number, because 117411078409 - 2¹⁵ = 117411045641 is a prime.

It is a super-2 number, since 2×117411078409² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117411078469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 171327 + ... + 513979.

Almost surely, 2^117411078409 is an apocalyptic number.

117411078409 is the 342653-rd square number.

117411078409 is the 171327-th centered octagonal number.

It is an amenable number.

117411078409 is a deficient number, since it is larger than the sum of its proper divisors (342654).

117411078409 is an frugal number, since it uses more digits than its factorization.

117411078409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685306 (or 342653 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 43.

The spelling of 117411078409 in words is "one hundred seventeen billion, four hundred eleven million, seventy-eight thousand, four hundred nine".