2115881346 has 32 divisors (see below), whose sum is σ = 4274601408. Its totient is φ = 698181120.

The previous prime is 2115881323. The next prime is 2115881351. The reversal of 2115881346 is 6431885112.

2115881346 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337230 + ... + 343446.

It is an arithmetic number, because the mean of its divisors is an integer number (133581294).

Almost surely, 2^2115881346 is an apocalyptic number.

2115881346 is an abundant number, since it is smaller than the sum of its proper divisors (2158720062).

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

2115881346 is a wasteful number, since it uses less digits than its factorization.

2115881346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786.

The product of its digits is 46080, while the sum is 39.

The square root of 2115881346 is about 45998.7102645281. The cubic root of 2115881346 is about 1283.7992074968.

The spelling of 2115881346 in words is "two billion, one hundred fifteen million, eight hundred eighty-one thousand, three hundred forty-six".