545521140199 has 4 divisors (see below), whose sum is σ = 623452731664. Its totient is φ = 467589548736.

The previous prime is 545521140181. The next prime is 545521140301. The reversal of 545521140199 is 991041125545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545521140199 - 2²³ = 545512751591 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545521140119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38965795722 + ... + 38965795735.

It is an arithmetic number, because the mean of its divisors is an integer number (155863182916).

Almost surely, 2^545521140199 is an apocalyptic number.

545521140199 is a deficient number, since it is larger than the sum of its proper divisors (77931591465).

545521140199 is an equidigital number, since it uses as much as digits as its factorization.

545521140199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77931591464.

The product of its (nonzero) digits is 324000, while the sum is 46.

The spelling of 545521140199 in words is "five hundred forty-five billion, five hundred twenty-one million, one hundred forty thousand, one hundred ninety-nine".