15135216242 has 8 divisors (see below), whose sum is σ = 23435173632. Its totient is φ = 7323491700.

The previous prime is 15135216223. The next prime is 15135216253. The reversal of 15135216242 is 24261253151.

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 = 15135216199 and 15135216208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122058134 + ... + 122058257.

It is an arithmetic number, because the mean of its divisors is an integer number (2929396704).

Almost surely, 2^15135216242 is an apocalyptic number.

15135216242 is a deficient number, since it is larger than the sum of its proper divisors (8299957390).

15135216242 is a wasteful number, since it uses less digits than its factorization.

15135216242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244116424.

The product of its digits is 14400, while the sum is 32.

Adding to 15135216242 its reverse (24261253151), we get a palindrome (39396469393).

The spelling of 15135216242 in words is "fifteen billion, one hundred thirty-five million, two hundred sixteen thousand, two hundred forty-two".