50135500121 has 8 divisors (see below), whose sum is σ = 59273497920. Its totient is φ = 41491448208.

The previous prime is 50135500111. The next prime is 50135500123. The reversal of 50135500121 is 12100553105.

It is a happy number.

50135500121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 50135500121 - 2¹⁰ = 50135499097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50135500123) 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, 123486251 + ... + 123486656.

It is an arithmetic number, because the mean of its divisors is an integer number (7409187240).

Almost surely, 2^50135500121 is an apocalyptic number.

It is an amenable number.

50135500121 is a deficient number, since it is larger than the sum of its proper divisors (9137997799).

50135500121 is a wasteful number, since it uses less digits than its factorization.

50135500121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246972943.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 50135500121 in words is "fifty billion, one hundred thirty-five million, five hundred thousand, one hundred twenty-one".