117111647 has 2 divisors, whose sum is σ = 117111648. Its totient is φ = 117111646.

The previous prime is 117111641. The next prime is 117111679. The reversal of 117111647 is 746111711.

It is a weak prime.

It is an emirp because it is prime and its reverse (746111711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117111647 - 2¹⁴ = 117095263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117111641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58555823 + 58555824.

It is an arithmetic number, because the mean of its divisors is an integer number (58555824).

Almost surely, 2^117111647 is an apocalyptic number.

117111647 is a deficient number, since it is larger than the sum of its proper divisors (1).

117111647 is an equidigital number, since it uses as much as digits as its factorization.

117111647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 29.

The square root of 117111647 is about 10821.8134801890. The cubic root of 117111647 is about 489.2528485509.

The spelling of 117111647 in words is "one hundred seventeen million, one hundred eleven thousand, six hundred forty-seven".