2153515012 has 24 divisors (see below), whose sum is σ = 4160796192. Its totient is φ = 967075200.

The previous prime is 2153514989. The next prime is 2153515051. The reversal of 2153515012 is 2105153512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291189 + ... + 298492.

It is an arithmetic number, because the mean of its divisors is an integer number (173366508).

Almost surely, 2^2153515012 is an apocalyptic number.

2153515012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2153515012 is a deficient number, since it is larger than the sum of its proper divisors (2007281180).

2153515012 is a wasteful number, since it uses less digits than its factorization.

2153515012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589779 (or 589777 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 2153515012 is about 46405.9803473647. The cubic root of 2153515012 is about 1291.3658613601.

Adding to 2153515012 its reverse (2105153512), we get a palindrome (4258668524).

The spelling of 2153515012 in words is "two billion, one hundred fifty-three million, five hundred fifteen thousand, twelve".