50113444121 has 8 divisors (see below), whose sum is σ = 53977923720. Its totient is φ = 46250335872.

The previous prime is 50113444109. The next prime is 50113444127. The reversal of 50113444121 is 12144431105.

It can be written as a sum of positive squares in 4 ways, for example, as 1188870400 + 48924573721 = 34480^2 + 221189^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-50113444121 is a prime.

It is a super-2 number, since 2×50113444121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50113444127) 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, 266300 + ... + 413693.

It is an arithmetic number, because the mean of its divisors is an integer number (6747240465).

Almost surely, 2^50113444121 is an apocalyptic number.

It is an amenable number.

50113444121 is a deficient number, since it is larger than the sum of its proper divisors (3864479599).

50113444121 is a wasteful number, since it uses less digits than its factorization.

50113444121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685675.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 50113444121 its reverse (12144431105), we get a palindrome (62257875226).

The spelling of 50113444121 in words is "fifty billion, one hundred thirteen million, four hundred forty-four thousand, one hundred twenty-one".