118534550123340 has 288 divisors, whose sum is σ = 397812792826176. Its totient is φ = 28379530967040.

The previous prime is 118534550123321. The next prime is 118534550123351. The reversal of 118534550123340 is 43321055435811.

118534550123340 is a `hidden beast` number, since 1 + 1 + 8 + 5 + 34 + 550 + 1 + 23 + 3 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 256998774 + ... + 257459586.

Almost surely, 2^{118534550123340} is an apocalyptic number.

118534550123340 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 118534550123340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198906396413088).

118534550123340 is an abundant number, since it is smaller than the sum of its proper divisors (279278242702836).

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

118534550123340 is a wasteful number, since it uses less digits than its factorization.

118534550123340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463849 (or 463844 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 118534550123340 in words is "one hundred eighteen trillion, five hundred thirty-four billion, five hundred fifty million, one hundred twenty-three thousand, three hundred forty".