2125518850 has 48 divisors (see below), whose sum is σ = 4865813568. Its totient is φ = 672690240.

The previous prime is 2125518799. The next prime is 2125518851. The reversal of 2125518850 is 588155212.

It is not an unprimeable number, because it can be changed into a prime (2125518851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229024 + ... + 238123.

It is an arithmetic number, because the mean of its divisors is an integer number (101371116).

Almost surely, 2^2125518850 is an apocalyptic number.

2125518850 is an abundant number, since it is smaller than the sum of its proper divisors (2740294718).

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

2125518850 is a wasteful number, since it uses less digits than its factorization.

2125518850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467179 (or 467174 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 37.

The square root of 2125518850 is about 46103.3496613858. The cubic root of 2125518850 is about 1285.7454228497.

The spelling of 2125518850 in words is "two billion, one hundred twenty-five million, five hundred eighteen thousand, eight hundred fifty".