118761563 has 2 divisors, whose sum is σ = 118761564. Its totient is φ = 118761562.

The previous prime is 118761553. The next prime is 118761593. The reversal of 118761563 is 365167811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118761563 - 2¹⁶ = 118696027 is a prime.

It is not a weakly prime, because it can be changed into another prime (118761523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59380781 + 59380782.

It is an arithmetic number, because the mean of its divisors is an integer number (59380782).

Almost surely, 2^118761563 is an apocalyptic number.

118761563 is a deficient number, since it is larger than the sum of its proper divisors (1).

118761563 is an equidigital number, since it uses as much as digits as its factorization.

118761563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 118761563 is about 10897.7778927633. Note that the first 3 decimals coincide. The cubic root of 118761563 is about 491.5397393828.

The spelling of 118761563 in words is "one hundred eighteen million, seven hundred sixty-one thousand, five hundred sixty-three".