118990169281780 has 12 divisors (see below), whose sum is σ = 249879355491780. Its totient is φ = 47596067712704.

The previous prime is 118990169281771. The next prime is 118990169281799. The reversal of 118990169281780 is 87182961099811.

It can be written as a sum of positive squares in 2 ways, for example, as 35020143799524 + 83970025482256 = 5917782^2 + 9163516^2 .

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 3 ways as a sum of consecutive naturals, for example, 2974754232025 + ... + 2974754232064.

It is an arithmetic number, because the mean of its divisors is an integer number (20823279624315).

Almost surely, 2^{118990169281780} is an apocalyptic number.

118990169281780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118990169281780 is an abundant number, since it is smaller than the sum of its proper divisors (130889186210000).

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

118990169281780 is a wasteful number, since it uses less digits than its factorization.

118990169281780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5949508464098 (or 5949508464096 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 70.

The spelling of 118990169281780 in words is "one hundred eighteen trillion, nine hundred ninety billion, one hundred sixty-nine million, two hundred eighty-one thousand, seven hundred eighty".