2188011317905 has 32 divisors (see below), whose sum is σ = 3173046847488. Its totient is φ = 1416538713600.

The previous prime is 2188011317903. The next prime is 2188011317917. The reversal of 2188011317905 is 5097131108812.

It is not a de Polignac number, because 2188011317905 - 2¹ = 2188011317903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2188011317903) 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, 24548202 + ... + 24637171.

It is an arithmetic number, because the mean of its divisors is an integer number (99157713984).

Almost surely, 2^{2188011317905} is an apocalyptic number.

It is an amenable number.

2188011317905 is a deficient number, since it is larger than the sum of its proper divisors (985035529583).

2188011317905 is a wasteful number, since it uses less digits than its factorization.

2188011317905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49185457.

The product of its (nonzero) digits is 120960, while the sum is 46.

The spelling of 2188011317905 in words is "two trillion, one hundred eighty-eight billion, eleven million, three hundred seventeen thousand, nine hundred five".