5105551110500 has 48 divisors (see below), whose sum is σ = 11167393521648. Its totient is φ = 2039130720000.

The previous prime is 5105551110497. The next prime is 5105551110509. The reversal of 5105551110500 is 50111555015.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1090921758784 + 4014629351716 = 1044472^2 + 2003654^2 .

It is not an unprimeable number, because it can be changed into a prime (5105551110509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7393481 + ... + 8054480.

It is an arithmetic number, because the mean of its divisors is an integer number (232654031701).

Almost surely, 2^{5105551110500} is an apocalyptic number.

5105551110500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5105551110500 is an abundant number, since it is smaller than the sum of its proper divisors (6061842411148).

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

5105551110500 is a wasteful number, since it uses less digits than its factorization.

5105551110500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15448641 (or 15448629 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 29.

Adding to 5105551110500 its reverse (50111555015), we get a palindrome (5155662665515).

The spelling of 5105551110500 in words is "five trillion, one hundred five billion, five hundred fifty-one million, one hundred ten thousand, five hundred".