2015542135 has 16 divisors (see below), whose sum is σ = 2547855360. Its totient is φ = 1526424480.

The previous prime is 2015542121. The next prime is 2015542153. The reversal of 2015542135 is 5312455102.

It is not a de Polignac number, because 2015542135 - 2¹⁹ = 2015017847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132534 + ... + 146956.

It is an arithmetic number, because the mean of its divisors is an integer number (159240960).

Almost surely, 2^2015542135 is an apocalyptic number.

2015542135 is a deficient number, since it is larger than the sum of its proper divisors (532313225).

2015542135 is a wasteful number, since it uses less digits than its factorization.

2015542135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15918.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2015542135 is about 44894.7896197320. The cubic root of 2015542135 is about 1263.1762760472.

Adding to 2015542135 its reverse (5312455102), we get a palindrome (7327997237).

The spelling of 2015542135 in words is "two billion, fifteen million, five hundred forty-two thousand, one hundred thirty-five".