2118792626991 has 12 divisors (see below), whose sum is σ = 3135124050240. Its totient is φ = 1378076505120.

The previous prime is 2118792626959. The next prime is 2118792627001. The reversal of 2118792626991 is 1996262978112.

2118792626991 is a `hidden beast` number, since 21 + 187 + 92 + 6 + 269 + 91 = 666.

It is not a de Polignac number, because 2118792626991 - 2⁵ = 2118792626959 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118792621991) 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 11 ways as a sum of consecutive naturals, for example, 2870992351 + ... + 2870993088.

It is an arithmetic number, because the mean of its divisors is an integer number (261260337520).

Almost surely, 2^{2118792626991} is an apocalyptic number.

2118792626991 is a deficient number, since it is larger than the sum of its proper divisors (1016331423249).

2118792626991 is a wasteful number, since it uses less digits than its factorization.

2118792626991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5741985486 (or 5741985483 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The spelling of 2118792626991 in words is "two trillion, one hundred eighteen billion, seven hundred ninety-two million, six hundred twenty-six thousand, nine hundred ninety-one".