118102976550 has 144 divisors (see below), whose sum is σ = 349658797488. Its totient is φ = 28395360000.

The previous prime is 118102976549. The next prime is 118102976561. The reversal of 118102976550 is 55679201811.

118102976550 is a `hidden beast` number, since 1 + 1 + 8 + 1 + 0 + 2 + 97 + 6 + 550 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 118102976496 and 118102976505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16800 + ... + 486300.

Almost surely, 2^118102976550 is an apocalyptic number.

118102976550 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 118102976550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174829398744).

118102976550 is an abundant number, since it is smaller than the sum of its proper divisors (231555820938).

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

118102976550 is a wasteful number, since it uses less digits than its factorization.

118102976550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469575 (or 469567 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 45.

The spelling of 118102976550 in words is "one hundred eighteen billion, one hundred two million, nine hundred seventy-six thousand, five hundred fifty".