2115550056 has 32 divisors (see below), whose sum is σ = 5310835200. Its totient is φ = 702255360.

The previous prime is 2115550043. The next prime is 2115550061. The reversal of 2115550056 is 6500555112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177096 + ... + 188663.

It is an arithmetic number, because the mean of its divisors is an integer number (165963600).

Almost surely, 2^2115550056 is an apocalyptic number.

It is an amenable number.

2115550056 is an abundant number, since it is smaller than the sum of its proper divisors (3195285144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2115550056 is a wasteful number, since it uses less digits than its factorization.

2115550056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366009 (or 366005 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 2115550056 is about 45995.1090443321. The cubic root of 2115550056 is about 1283.7322012129.

The spelling of 2115550056 in words is "two billion, one hundred fifteen million, five hundred fifty thousand, fifty-six".