2152511332 has 24 divisors (see below), whose sum is σ = 3781161720. Its totient is φ = 1072189440.

The previous prime is 2152511239. The next prime is 2152511351. The reversal of 2152511332 is 2331152512.

It can be written as a sum of positive squares in 4 ways, for example, as 263218176 + 1889293156 = 16224^2 + 43466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2152511297 and 2152511306.

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 7 ways as a sum of consecutive naturals, for example, 1940394 + ... + 1941502.

It is an arithmetic number, because the mean of its divisors is an integer number (157548405).

Almost surely, 2^2152511332 is an apocalyptic number.

It is an amenable number.

2152511332 is a deficient number, since it is larger than the sum of its proper divisors (1628650388).

2152511332 is a wasteful number, since it uses less digits than its factorization.

2152511332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511 (or 2509 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 2152511332 is about 46395.1649636037. The cubic root of 2152511332 is about 1291.1652096362.

Adding to 2152511332 its reverse (2331152512), we get a palindrome (4483663844).

The spelling of 2152511332 in words is "two billion, one hundred fifty-two million, five hundred eleven thousand, three hundred thirty-two".