2152511910 has 48 divisors (see below), whose sum is σ = 5598886176. Its totient is φ = 573761664.

The previous prime is 2152511909. The next prime is 2152511953. The reversal of 2152511910 is 191152512.

2152511910 is a `hidden beast` number, since 21 + 525 + 119 + 1 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343122 + ... + 349338.

It is an arithmetic number, because the mean of its divisors is an integer number (116643462).

Almost surely, 2^2152511910 is an apocalyptic number.

2152511910 is an abundant number, since it is smaller than the sum of its proper divisors (3446374266).

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

2152511910 is a wasteful number, since it uses less digits than its factorization.

2152511910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077 (or 10074 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The square root of 2152511910 is about 46395.1711927006. The cubic root of 2152511910 is about 1291.1653252056.

The spelling of 2152511910 in words is "two billion, one hundred fifty-two million, five hundred eleven thousand, nine hundred ten".