2115056805 has 8 divisors (see below), whose sum is σ = 3384090912. Its totient is φ = 1128030288.

The previous prime is 2115056777. The next prime is 2115056807. The reversal of 2115056805 is 5086505112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2115056805 - 2⁷ = 2115056677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115056807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70501879 + ... + 70501908.

It is an arithmetic number, because the mean of its divisors is an integer number (423011364).

Almost surely, 2^2115056805 is an apocalyptic number.

It is an amenable number.

2115056805 is a deficient number, since it is larger than the sum of its proper divisors (1269034107).

2115056805 is a wasteful number, since it uses less digits than its factorization.

2115056805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141003795.

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 2115056805 is about 45989.7467377241. The cubic root of 2115056805 is about 1283.6324239457.

The spelling of 2115056805 in words is "two billion, one hundred fifteen million, fifty-six thousand, eight hundred five".