50015313535521 has 8 divisors (see below), whose sum is σ = 66734414091360. Its totient is φ = 33319877668352.

The previous prime is 50015313535463. The next prime is 50015313535529. The reversal of 50015313535521 is 12553531351005.

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 50015313535521 - 2⁷ = 50015313535393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50015313535521.

It is not an unprimeable number, because it can be changed into a prime (50015313535529) 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, 5916167235 + ... + 5916175688.

It is an arithmetic number, because the mean of its divisors is an integer number (8341801761420).

Almost surely, 2^{50015313535521} is an apocalyptic number.

It is an amenable number.

50015313535521 is a deficient number, since it is larger than the sum of its proper divisors (16719100555839).

50015313535521 is a wasteful number, since it uses less digits than its factorization.

50015313535521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11832344335.

The product of its (nonzero) digits is 168750, while the sum is 39.

Adding to 50015313535521 its reverse (12553531351005), we get a palindrome (62568844886526).

The spelling of 50015313535521 in words is "fifty trillion, fifteen billion, three hundred thirteen million, five hundred thirty-five thousand, five hundred twenty-one".