5111100505050 has 48 divisors (see below), whose sum is σ = 12675897083520. Its totient is φ = 1362920583040.

The previous prime is 5111100505039. The next prime is 5111100505057. The reversal of 5111100505050 is 505050011115.

It is a super-2 number, since 2×5111100505050² (a number of 26 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 5111100505050.

It is not an unprimeable number, because it can be changed into a prime (5111100505057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4886431 + ... + 5839469.

It is an arithmetic number, because the mean of its divisors is an integer number (264081189240).

Almost surely, 2^{5111100505050} is an apocalyptic number.

5111100505050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5111100505050 is an abundant number, since it is smaller than the sum of its proper divisors (7564796578470).

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

5111100505050 is a wasteful number, since it uses less digits than its factorization.

5111100505050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988807 (or 988802 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 24.

Adding to 5111100505050 its reverse (505050011115), we get a palindrome (5616150516165).

The spelling of 5111100505050 in words is "five trillion, one hundred eleven billion, one hundred million, five hundred five thousand, fifty".