118555000 has 80 divisors (see below), whose sum is σ = 281441160. Its totient is φ = 46800000.

The previous prime is 118554983. The next prime is 118555027. The reversal of 118555000 is 555811.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 654910 + ... + 655090.

Almost surely, 2^118555000 is an apocalyptic number.

118555000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118555000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140720580).

118555000 is an abundant number, since it is smaller than the sum of its proper divisors (162886160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118555000 is a wasteful number, since it uses less digits than its factorization.

118555000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 118555000 is about 10888.2964691452. The cubic root of 118555000 is about 491.2545942460.

The spelling of 118555000 in words is "one hundred eighteen million, five hundred fifty-five thousand".