2118151734108 has 24 divisors (see below), whose sum is σ = 4953075000720. Its totient is φ = 704519013120.

The previous prime is 2118151734053. The next prime is 2118151734109. The reversal of 2118151734108 is 8014371518112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2118151734108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118151734109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 191439853 + ... + 191450916.

It is an arithmetic number, because the mean of its divisors is an integer number (206378125030).

Almost surely, 2^{2118151734108} is an apocalyptic number.

It is an amenable number.

2118151734108 is an abundant number, since it is smaller than the sum of its proper divisors (2834923266612).

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

2118151734108 is a wasteful number, since it uses less digits than its factorization.

2118151734108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382891237 (or 382891235 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 42.

The spelling of 2118151734108 in words is "two trillion, one hundred eighteen billion, one hundred fifty-one million, seven hundred thirty-four thousand, one hundred eight".