2105015000 has 80 divisors (see below), whose sum is σ = 5380558920. Its totient is φ = 765440000.

The previous prime is 2105014981. The next prime is 2105015051. The reversal of 2105015000 is 5105012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35864 + ... + 74136.

Almost surely, 2^2105015000 is an apocalyptic number.

2105015000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2105015000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2690279460).

2105015000 is an abundant number, since it is smaller than the sum of its proper divisors (3275543920).

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

2105015000 is a wasteful number, since it uses less digits than its factorization.

2105015000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38310 (or 38291 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 2105015000 is about 45880.4424564541. The cubic root of 2105015000 is about 1281.5977362708.

The spelling of 2105015000 in words is "two billion, one hundred five million, fifteen thousand".