118251563 has 2 divisors, whose sum is σ = 118251564. Its totient is φ = 118251562.

The previous prime is 118251547. The next prime is 118251587. The reversal of 118251563 is 365152811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118251563 - 2⁴ = 118251547 is a prime.

It is a super-3 number, since 3×118251563³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (118251863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59125781 + 59125782.

It is an arithmetic number, because the mean of its divisors is an integer number (59125782).

Almost surely, 2^118251563 is an apocalyptic number.

118251563 is a deficient number, since it is larger than the sum of its proper divisors (1).

118251563 is an equidigital number, since it uses as much as digits as its factorization.

118251563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 32.

The square root of 118251563 is about 10874.3534520449. The cubic root of 118251563 is about 490.8351203683.

The spelling of 118251563 in words is "one hundred eighteen million, two hundred fifty-one thousand, five hundred sixty-three".