2115775712 has 24 divisors (see below), whose sum is σ = 4195409400. Its totient is φ = 1050274944.

The previous prime is 2115775679. The next prime is 2115775751. The reversal of 2115775712 is 2175775112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233387 + ... + 242282.

It is an arithmetic number, because the mean of its divisors is an integer number (174808725).

Almost surely, 2^2115775712 is an apocalyptic number.

It is an amenable number.

2115775712 is a deficient number, since it is larger than the sum of its proper divisors (2079633688).

2115775712 is a wasteful number, since it uses less digits than its factorization.

2115775712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475818 (or 475810 counting only the distinct ones).

The product of its digits is 34300, while the sum is 38.

The square root of 2115775712 is about 45997.5620223507. The cubic root of 2115775712 is about 1283.7778428611. Note that the first 3 decimals are identical.

It can be divided in two parts, 21157 and 75712, that added together give a palindrome (96869).

The spelling of 2115775712 in words is "two billion, one hundred fifteen million, seven hundred seventy-five thousand, seven hundred twelve".