551120144100 has 72 divisors (see below), whose sum is σ = 1649559629760. Its totient is φ = 141897598080.

The previous prime is 551120144093. The next prime is 551120144117. The reversal of 551120144100 is 1441021155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31664872 + ... + 31682271.

Almost surely, 2^551120144100 is an apocalyptic number.

551120144100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551120144100 is an abundant number, since it is smaller than the sum of its proper divisors (1098439485660).

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

551120144100 is a wasteful number, since it uses less digits than its factorization.

551120144100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63347189 (or 63347182 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 551120144100 its reverse (1441021155), we get a palindrome (552561165255).

The spelling of 551120144100 in words is "five hundred fifty-one billion, one hundred twenty million, one hundred forty-four thousand, one hundred".