1117208834361 has 9 divisors (see below), whose sum is σ = 1613750674341. Its totient is φ = 744803775612.

The previous prime is 1117208834299. The next prime is 1117208834363. The reversal of 1117208834361 is 1634388027111.

The square root of 1117208834361 is 1056981.

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

1117208834361 is a `hidden beast` number, since 1 + 1 + 1 + 7 + 208 + 8 + 3 + 436 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1117208834361 - 2¹³ = 1117208826169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1117208834363) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2994780 + ... + 3347106.

Almost surely, 2^{1117208834361} is an apocalyptic number.

1117208834361 is the 1056981-st square number.

1117208834361 is the 528491-st centered octagonal number.

It is an amenable number.

1117208834361 is a deficient number, since it is larger than the sum of its proper divisors (496541839980).

1117208834361 is an frugal number, since it uses more digits than its factorization.

1117208834361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704660 (or 352330 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

It can be divided in two parts, 111720 and 8834361, that added together give a square (8946081 = 2991²).

The spelling of 1117208834361 in words is "one trillion, one hundred seventeen billion, two hundred eight million, eight hundred thirty-four thousand, three hundred sixty-one".