118541986920 has 320 divisors, whose sum is σ = 461122675200. Its totient is φ = 26751928320.

The previous prime is 118541986907. The next prime is 118541986933. The reversal of 118541986920 is 29689145811.

118541986920 is a `hidden beast` number, since 1 + 1 + 8 + 541 + 9 + 8 + 6 + 92 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (118541986907) and next prime (118541986933).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1758640 + ... + 1824800.

It is an arithmetic number, because the mean of its divisors is an integer number (1441008360).

Almost surely, 2^118541986920 is an apocalyptic number.

118541986920 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 118541986920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230561337600).

118541986920 is an abundant number, since it is smaller than the sum of its proper divisors (342580688280).

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

118541986920 is a wasteful number, since it uses less digits than its factorization.

118541986920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66270 (or 66257 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The spelling of 118541986920 in words is "one hundred eighteen billion, five hundred forty-one million, nine hundred eighty-six thousand, nine hundred twenty".