2115845112 has 32 divisors (see below), whose sum is σ = 5318848080. Its totient is φ = 701383680.

The previous prime is 2115845101. The next prime is 2115845117. The reversal of 2115845112 is 2115485112.

It is a self number, because there is not a number n which added to its sum of digits gives 2115845112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115845117) 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, 239193 + ... + 247880.

Almost surely, 2^2115845112 is an apocalyptic number.

It is an amenable number.

2115845112 is an abundant number, since it is smaller than the sum of its proper divisors (3203002968).

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

2115845112 is a wasteful number, since it uses less digits than its factorization.

2115845112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487263 (or 487259 counting only the distinct ones).

The product of its digits is 3200, while the sum is 30.

The square root of 2115845112 is about 45998.3164039729. The cubic root of 2115845112 is about 1283.7918791958.

Subtracting from 2115845112 its reverse (2115485112), we obtain a square (360000 = 600²).

The spelling of 2115845112 in words is "two billion, one hundred fifteen million, eight hundred forty-five thousand, one hundred twelve".