118934855550 has 540 divisors, whose sum is σ = 389653765176. Its totient is φ = 27005076000.

The previous prime is 118934855549. The next prime is 118934855563. The reversal of 118934855550 is 55558439811.

118934855550 is a `hidden beast` number, since 1 + 1 + 8 + 9 + 3 + 4 + 85 + 5 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 269 ways as a sum of consecutive naturals, for example, 787647975 + ... + 787648125.

Almost surely, 2^118934855550 is an apocalyptic number.

118934855550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118934855550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194826882588).

118934855550 is an abundant number, since it is smaller than the sum of its proper divisors (270718909626).

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

118934855550 is an frugal number, since it uses more digits than its factorization.

118934855550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 54.

The spelling of 118934855550 in words is "one hundred eighteen billion, nine hundred thirty-four million, eight hundred fifty-five thousand, five hundred fifty".