118855861002 has 32 divisors (see below), whose sum is σ = 264607060800. Its totient is φ = 39546181584.

The previous prime is 118855860997. The next prime is 118855861009. The reversal of 118855861002 is 200168558811.

118855861002 is a `hidden beast` number, since 1 + 1 + 88 + 558 + 6 + 10 + 0 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (118855861009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1982377 + ... + 2041452.

It is an arithmetic number, because the mean of its divisors is an integer number (8268970650).

Almost surely, 2^118855861002 is an apocalyptic number.

118855861002 is an abundant number, since it is smaller than the sum of its proper divisors (145751199798).

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

118855861002 is a wasteful number, since it uses less digits than its factorization.

118855861002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024387 (or 4024381 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 45.

The spelling of 118855861002 in words is "one hundred eighteen billion, eight hundred fifty-five million, eight hundred sixty-one thousand, two".