13515332042 has 8 divisors (see below), whose sum is σ = 20278583076. Its totient is φ = 6755804352.

The previous prime is 13515332023. The next prime is 13515332053. The reversal of 13515332042 is 24023351531.

It is a happy number.

13515332042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9352630681 + 4162701361 = 96709^2 + 64519^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13515331996 and 13515332014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921743 + ... + 936290.

Almost surely, 2^13515332042 is an apocalyptic number.

13515332042 is a deficient number, since it is larger than the sum of its proper divisors (6763251034).

13515332042 is a wasteful number, since it uses less digits than its factorization.

13515332042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861672.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 13515332042 its reverse (24023351531), we get a palindrome (37538683573).

The spelling of 13515332042 in words is "thirteen billion, five hundred fifteen million, three hundred thirty-two thousand, forty-two".