2115056806 has 4 divisors (see below), whose sum is σ = 3172585212. Its totient is φ = 1057528402.

The previous prime is 2115056777. The next prime is 2115056807. The reversal of 2115056806 is 6086505112.

It is a happy number.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 528764200 + ... + 528764203.

It is an arithmetic number, because the mean of its divisors is an integer number (793146303).

Almost surely, 2^2115056806 is an apocalyptic number.

2115056806 is a deficient number, since it is larger than the sum of its proper divisors (1057528406).

2115056806 is a wasteful number, since it uses less digits than its factorization.

2115056806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057528405.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 2115056806 is about 45989.7467485960. The cubic root of 2115056806 is about 1283.6324241480.

The spelling of 2115056806 in words is "two billion, one hundred fifteen million, fifty-six thousand, eight hundred six".