5105521100 has 36 divisors (see below), whose sum is σ = 11082624000. Its totient is φ = 2041536960.

The previous prime is 5105521081. The next prime is 5105521121. The reversal of 5105521100 is 11255015.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392501 + ... + 405299.

Almost surely, 2^5105521100 is an apocalyptic number.

5105521100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5105521100 is an abundant number, since it is smaller than the sum of its proper divisors (5977102900).

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

5105521100 is a wasteful number, since it uses less digits than its factorization.

5105521100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16802 (or 16795 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 5105521100 is about 71452.9292611577. The cubic root of 5105521100 is about 1721.9215387349.

Adding to 5105521100 its reverse (11255015), we get a palindrome (5116776115).

The spelling of 5105521100 in words is "five billion, one hundred five million, five hundred twenty-one thousand, one hundred".