5111101111050 has 576 divisors, whose sum is σ = 15854105272320. Its totient is φ = 1209316521600.

The previous prime is 5111101111033. The next prime is 5111101111057. The reversal of 5111101111050 is 501111011115.

5111101111050 is a `hidden beast` number, since 511 + 1 + 101 + 1 + 1 + 1 + 0 + 50 = 666.

It is a super-2 number, since 2×5111101111050² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5111101111057) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 3738917467 + ... + 3738918833.

It is an arithmetic number, because the mean of its divisors is an integer number (27524488320).

Almost surely, 2^{5111101111050} is an apocalyptic number.

5111101111050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5111101111050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7927052636160).

5111101111050 is an abundant number, since it is smaller than the sum of its proper divisors (10743004161270).

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

5111101111050 is a wasteful number, since it uses less digits than its factorization.

5111101111050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 18.

Adding to 5111101111050 its reverse (501111011115), we get a palindrome (5612212122165).

The spelling of 5111101111050 in words is "five trillion, one hundred eleven billion, one hundred one million, one hundred eleven thousand, fifty".