515040241111 has 16 divisors (see below), whose sum is σ = 562788656640. Its totient is φ = 467446605120.

The previous prime is 515040241097. The next prime is 515040241159. The reversal of 515040241111 is 111142040515.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-515040241111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515040241181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48025996 + ... + 48036718.

It is an arithmetic number, because the mean of its divisors is an integer number (35174291040).

Almost surely, 2^515040241111 is an apocalyptic number.

515040241111 is a deficient number, since it is larger than the sum of its proper divisors (47748415529).

515040241111 is a wasteful number, since it uses less digits than its factorization.

515040241111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17526.

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 515040241111 its reverse (111142040515), we get a palindrome (626182281626).

The spelling of 515040241111 in words is "five hundred fifteen billion, forty million, two hundred forty-one thousand, one hundred eleven".