2015540512 has 48 divisors (see below), whose sum is σ = 4035128832. Its totient is φ = 990835200.

The previous prime is 2015540507. The next prime is 2015540533. The reversal of 2015540512 is 2150455102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856137 + ... + 858487.

It is an arithmetic number, because the mean of its divisors is an integer number (84065184).

Almost surely, 2^2015540512 is an apocalyptic number.

It is an amenable number.

2015540512 is an abundant number, since it is smaller than the sum of its proper divisors (2019588320).

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

2015540512 is a wasteful number, since it uses less digits than its factorization.

2015540512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801 (or 2793 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2015540512 is about 44894.7715441342. The cubic root of 2015540512 is about 1263.1759369928.

Adding to 2015540512 its reverse (2150455102), we get a palindrome (4165995614).

The spelling of 2015540512 in words is "two billion, fifteen million, five hundred forty thousand, five hundred twelve".