118554563 has 2 divisors, whose sum is σ = 118554564. Its totient is φ = 118554562.

The previous prime is 118554559. The next prime is 118554577. The reversal of 118554563 is 365455811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118554563 - 2² = 118554559 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118554503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59277281 + 59277282.

It is an arithmetic number, because the mean of its divisors is an integer number (59277282).

Almost surely, 2^118554563 is an apocalyptic number.

118554563 is a deficient number, since it is larger than the sum of its proper divisors (1).

118554563 is an equidigital number, since it uses as much as digits as its factorization.

118554563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 38.

The square root of 118554563 is about 10888.2764017084. The cubic root of 118554563 is about 491.2539906484.

The spelling of 118554563 in words is "one hundred eighteen million, five hundred fifty-four thousand, five hundred sixty-three".