117311563 has 2 divisors, whose sum is σ = 117311564. Its totient is φ = 117311562.

The previous prime is 117311561. The next prime is 117311591. The reversal of 117311563 is 365113711.

It is an a-pointer prime, because the next prime (117311591) can be obtained adding 117311563 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117311563 - 2¹ = 117311561 is a prime.

Together with 117311561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117311561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58655781 + 58655782.

It is an arithmetic number, because the mean of its divisors is an integer number (58655782).

Almost surely, 2^117311563 is an apocalyptic number.

117311563 is a deficient number, since it is larger than the sum of its proper divisors (1).

117311563 is an equidigital number, since it uses as much as digits as its factorization.

117311563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 28.

The square root of 117311563 is about 10831.0462560179. The cubic root of 117311563 is about 489.5310840988.

The spelling of 117311563 in words is "one hundred seventeen million, three hundred eleven thousand, five hundred sixty-three".