2015511041 has 4 divisors (see below), whose sum is σ = 2134070532. Its totient is φ = 1896951552.

The previous prime is 2015511037. The next prime is 2015511061. The reversal of 2015511041 is 1401155102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 869011441 + 1146499600 = 29479^2 + 33860^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015511041 - 2² = 2015511037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2015511031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59279720 + ... + 59279753.

It is an arithmetic number, because the mean of its divisors is an integer number (533517633).

Almost surely, 2^2015511041 is an apocalyptic number.

It is an amenable number.

2015511041 is a deficient number, since it is larger than the sum of its proper divisors (118559491).

2015511041 is a wasteful number, since it uses less digits than its factorization.

2015511041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118559490.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 2015511041 is about 44894.4433198586. The cubic root of 2015511041 is about 1263.1697802920.

Adding to 2015511041 its reverse (1401155102), we get a palindrome (3416666143).

The spelling of 2015511041 in words is "two billion, fifteen million, five hundred eleven thousand, forty-one".