2118867380135 has 32 divisors (see below), whose sum is σ = 2937364160832. Its totient is φ = 1450145249280.

The previous prime is 2118867380131. The next prime is 2118867380153. The reversal of 2118867380135 is 5310837688112.

It is not a de Polignac number, because 2118867380135 - 2² = 2118867380131 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118867380131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6701837 + ... + 7010873.

It is an arithmetic number, because the mean of its divisors is an integer number (91792630026).

Almost surely, 2^{2118867380135} is an apocalyptic number.

2118867380135 is a deficient number, since it is larger than the sum of its proper divisors (818496780697).

2118867380135 is a wasteful number, since it uses less digits than its factorization.

2118867380135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316403.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 2118867380135 in words is "two trillion, one hundred eighteen billion, eight hundred sixty-seven million, three hundred eighty thousand, one hundred thirty-five".