2117204405118 has 48 divisors (see below), whose sum is σ = 5006790726912. Its totient is φ = 641257938000.

The previous prime is 2117204405101. The next prime is 2117204405159. The reversal of 2117204405118 is 8115044027112.

2117204405118 is a `hidden beast` number, since 2 + 117 + 20 + 4 + 4 + 0 + 511 + 8 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2260438 + ... + 3056793.

It is an arithmetic number, because the mean of its divisors is an integer number (104308140144).

Almost surely, 2^{2117204405118} is an apocalyptic number.

2117204405118 is an abundant number, since it is smaller than the sum of its proper divisors (2889586321794).

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

2117204405118 is a wasteful number, since it uses less digits than its factorization.

2117204405118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319261 (or 5319258 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The spelling of 2117204405118 in words is "two trillion, one hundred seventeen billion, two hundred four million, four hundred five thousand, one hundred eighteen".