1117718806355 has 4 divisors (see below), whose sum is σ = 1341262567632. Its totient is φ = 894175045080.

The previous prime is 1117718806339. The next prime is 1117718806357. The reversal of 1117718806355 is 5536088177111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1117718806355 - 2⁴ = 1117718806339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1117718806297 and 1117718806306.

It is not an unprimeable number, because it can be changed into a prime (1117718806357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111771880631 + ... + 111771880640.

It is an arithmetic number, because the mean of its divisors is an integer number (335315641908).

Almost surely, 2^{1117718806355} is an apocalyptic number.

1117718806355 is a deficient number, since it is larger than the sum of its proper divisors (223543761277).

1117718806355 is an equidigital number, since it uses as much as digits as its factorization.

1117718806355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223543761276.

The product of its (nonzero) digits is 1411200, while the sum is 53.

The spelling of 1117718806355 in words is "one trillion, one hundred seventeen billion, seven hundred eighteen million, eight hundred six thousand, three hundred fifty-five".