515150140323 has 64 divisors (see below), whose sum is σ = 849818511360. Its totient is φ = 270302441472.

The previous prime is 515150140279. The next prime is 515150140331. The reversal of 515150140323 is 323041051515.

It is not a de Polignac number, because 515150140323 - 2⁸ = 515150140067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (515150140363) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48921523 + ... + 48932051.

It is an arithmetic number, because the mean of its divisors is an integer number (13278414240).

Almost surely, 2^515150140323 is an apocalyptic number.

515150140323 is a deficient number, since it is larger than the sum of its proper divisors (334668371037).

515150140323 is a wasteful number, since it uses less digits than its factorization.

515150140323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11476.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 515150140323 its reverse (323041051515), we get a palindrome (838191191838).

The spelling of 515150140323 in words is "five hundred fifteen billion, one hundred fifty million, one hundred forty thousand, three hundred twenty-three".