2113718775 has 24 divisors (see below), whose sum is σ = 3993922944. Its totient is φ = 966271200.

The previous prime is 2113718741. The next prime is 2113718779. The reversal of 2113718775 is 5778173112.

It is not a de Polignac number, because 2113718775 - 2¹³ = 2113710583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113718779) 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 23 ways as a sum of consecutive naturals, for example, 2012541 + ... + 2013590.

It is an arithmetic number, because the mean of its divisors is an integer number (166413456).

Almost surely, 2^2113718775 is an apocalyptic number.

2113718775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2113718775 is a deficient number, since it is larger than the sum of its proper divisors (1880204169).

2113718775 is a wasteful number, since it uses less digits than its factorization.

2113718775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026151 (or 4026146 counting only the distinct ones).

The product of its digits is 82320, while the sum is 42.

The square root of 2113718775 is about 45975.1973894621. The cubic root of 2113718775 is about 1283.3616824382.

The spelling of 2113718775 in words is "two billion, one hundred thirteen million, seven hundred eighteen thousand, seven hundred seventy-five".