2118453757808 has 80 divisors (see below), whose sum is σ = 4228300978560. Its totient is φ = 1027772928000.

The previous prime is 2118453757769. The next prime is 2118453757837. The reversal of 2118453757808 is 8087573548112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92590466 + ... + 92613342.

It is an arithmetic number, because the mean of its divisors is an integer number (52853762232).

Almost surely, 2^{2118453757808} is an apocalyptic number.

It is an amenable number.

2118453757808 is a deficient number, since it is larger than the sum of its proper divisors (2109847220752).

2118453757808 is a wasteful number, since it uses less digits than its factorization.

2118453757808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24226 (or 24220 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 59.

The spelling of 2118453757808 in words is "two trillion, one hundred eighteen billion, four hundred fifty-three million, seven hundred fifty-seven thousand, eight hundred eight".