2015120288 has 48 divisors (see below), whose sum is σ = 4002130944. Its totient is φ = 998749440.

The previous prime is 2015120287. The next prime is 2015120329. The reversal of 2015120288 is 8820215102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2015120288.

It is not an unprimeable number, because it can be changed into a prime (2015120281) by changing a digit.

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, 2976206 + ... + 2976882.

It is an arithmetic number, because the mean of its divisors is an integer number (83377728).

Almost surely, 2^2015120288 is an apocalyptic number.

It is an amenable number.

2015120288 is a deficient number, since it is larger than the sum of its proper divisors (1987010656).

2015120288 is a wasteful number, since it uses less digits than its factorization.

2015120288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 2015120288 is about 44890.0912006202. The cubic root of 2015120288 is about 1263.0881435471.

The spelling of 2015120288 in words is "two billion, fifteen million, one hundred twenty thousand, two hundred eighty-eight".