117215563 has 2 divisors, whose sum is σ = 117215564. Its totient is φ = 117215562.

The previous prime is 117215551. The next prime is 117215621. The reversal of 117215563 is 365512711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117215563 - 2⁵ = 117215531 is a prime.

It is not a weakly prime, because it can be changed into another prime (117215513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58607781 + 58607782.

It is an arithmetic number, because the mean of its divisors is an integer number (58607782).

Almost surely, 2^117215563 is an apocalyptic number.

117215563 is a deficient number, since it is larger than the sum of its proper divisors (1).

117215563 is an equidigital number, since it uses as much as digits as its factorization.

117215563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 31.

The square root of 117215563 is about 10826.6136441641. The cubic root of 117215563 is about 489.3975144038.

The spelling of 117215563 in words is "one hundred seventeen million, two hundred fifteen thousand, five hundred sixty-three".