515432520113 has 8 divisors (see below), whose sum is σ = 589380256128. Its totient is φ = 441563413824.

The previous prime is 515432520091. The next prime is 515432520143. The reversal of 515432520113 is 311025234515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 515432520113 - 2¹⁶ = 515432454577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 515432520113.

It is not an unprimeable number, because it can be changed into a prime (515432520143) 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, 19643381 + ... + 19669602.

It is an arithmetic number, because the mean of its divisors is an integer number (73672532016).

Almost surely, 2^515432520113 is an apocalyptic number.

It is an amenable number.

515432520113 is a deficient number, since it is larger than the sum of its proper divisors (73947736015).

515432520113 is a wasteful number, since it uses less digits than its factorization.

515432520113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39314863.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 515432520113 its reverse (311025234515), we get a palindrome (826457754628).

The spelling of 515432520113 in words is "five hundred fifteen billion, four hundred thirty-two million, five hundred twenty thousand, one hundred thirteen".