2152111650 has 96 divisors (see below), whose sum is σ = 5772005568. Its totient is φ = 527520000.

The previous prime is 2152111649. The next prime is 2152111669. The reversal of 2152111650 is 561112512.

It is a self number, because there is not a number n which added to its sum of digits gives 2152111650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 487252 + ... + 491648.

It is an arithmetic number, because the mean of its divisors is an integer number (60125058).

Almost surely, 2^2152111650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2152111650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2886002784).

2152111650 is an abundant number, since it is smaller than the sum of its proper divisors (3619893918).

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

2152111650 is a wasteful number, since it uses less digits than its factorization.

2152111650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676 (or 4671 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 2152111650 is about 46390.8573966897. The cubic root of 2152111650 is about 1291.0852894317.

The spelling of 2152111650 in words is "two billion, one hundred fifty-two million, one hundred eleven thousand, six hundred fifty".