118378563 has 8 divisors (see below), whose sum is σ = 158898000. Its totient is φ = 78389088.

The previous prime is 118378541. The next prime is 118378567. The reversal of 118378563 is 365873811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118378563 - 2¹⁷ = 118247491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118378567) 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 in 7 ways as a sum of consecutive naturals, for example, 131968 + ... + 132861.

It is an arithmetic number, because the mean of its divisors is an integer number (19862250).

Almost surely, 2^118378563 is an apocalyptic number.

118378563 is a deficient number, since it is larger than the sum of its proper divisors (40519437).

118378563 is a wasteful number, since it uses less digits than its factorization.

118378563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264981.

The product of its digits is 120960, while the sum is 42.

The square root of 118378563 is about 10880.1913126562. The cubic root of 118378563 is about 491.0107734593.

The spelling of 118378563 in words is "one hundred eighteen million, three hundred seventy-eight thousand, five hundred sixty-three".