50111243543240 has 256 divisors, whose sum is σ = 124784271360000. Its totient is φ = 17960356480000.

The previous prime is 50111243543203. The next prime is 50111243543261. The reversal of 50111243543240 is 4234534211105.

It is a super-2 number, since 2×50111243543240² (a number of 28 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 50111243543240.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5246696465 + ... + 5246706015.

It is an arithmetic number, because the mean of its divisors is an integer number (487438560000).

Almost surely, 2^{50111243543240} 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 50111243543240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62392135680000).

50111243543240 is an abundant number, since it is smaller than the sum of its proper divisors (74673027816760).

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

50111243543240 is a wasteful number, since it uses less digits than its factorization.

50111243543240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10332 (or 10328 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 50111243543240 its reverse (4234534211105), we get a palindrome (54345777754345).

The spelling of 50111243543240 in words is "fifty trillion, one hundred eleven billion, two hundred forty-three million, five hundred forty-three thousand, two hundred forty".