50011005144 has 128 divisors (see below), whose sum is σ = 138407201280. Its totient is φ = 14978304000.

The previous prime is 50011005103. The next prime is 50011005157. The reversal of 50011005144 is 44150011005.

It is a super-2 number, since 2×50011005144² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50011005144.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 5071819 + ... + 5081669.

It is an arithmetic number, because the mean of its divisors is an integer number (1081306260).

Almost surely, 2^50011005144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50011005144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69203600640).

50011005144 is an abundant number, since it is smaller than the sum of its proper divisors (88396196136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50011005144 is a wasteful number, since it uses less digits than its factorization.

50011005144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10441 (or 10437 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 50011005144 its reverse (44150011005), we get a palindrome (94161016149).

The spelling of 50011005144 in words is "fifty billion, eleven million, five thousand, one hundred forty-four".