515112897238 has 16 divisors (see below), whose sum is σ = 776290515840. Its totient is φ = 256349857536.

The previous prime is 515112897227. The next prime is 515112897239. The reversal of 515112897238 is 832798211515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515112897239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2150598 + ... + 2378086.

It is an arithmetic number, because the mean of its divisors is an integer number (48518157240).

Almost surely, 2^515112897238 is an apocalyptic number.

515112897238 is a deficient number, since it is larger than the sum of its proper divisors (261177618602).

515112897238 is a wasteful number, since it uses less digits than its factorization.

515112897238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232791.

The product of its digits is 1209600, while the sum is 52.

The spelling of 515112897238 in words is "five hundred fifteen billion, one hundred twelve million, eight hundred ninety-seven thousand, two hundred thirty-eight".