545503366691100 has 108 divisors (see below), whose sum is σ = 1711259604859896. Its totient is φ = 145347640364160.

The previous prime is 545503366691081. The next prime is 545503366691117. The reversal of 545503366691100 is 1196663305545.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 248749542 + ... + 250932941.

Almost surely, 2^{545503366691100} is an apocalyptic number.

545503366691100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545503366691100 is an abundant number, since it is smaller than the sum of its proper divisors (1165756238168796).

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

545503366691100 is a wasteful number, since it uses less digits than its factorization.

545503366691100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499683716 (or 499683706 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 54.

The spelling of 545503366691100 in words is "five hundred forty-five trillion, five hundred three billion, three hundred sixty-six million, six hundred ninety-one thousand, one hundred".