4511350021812 has 12 divisors (see below), whose sum is σ = 10526483384256. Its totient is φ = 1503783340600.

The previous prime is 4511350021793. The next prime is 4511350021817. The reversal of 4511350021812 is 2181200531154.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4511350021817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187972917564 + ... + 187972917587.

It is an arithmetic number, because the mean of its divisors is an integer number (877206948688).

Almost surely, 2^{4511350021812} is an apocalyptic number.

It is an amenable number.

4511350021812 is an abundant number, since it is smaller than the sum of its proper divisors (6015133362444).

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

4511350021812 is a wasteful number, since it uses less digits than its factorization.

4511350021812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375945835158 (or 375945835156 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

Adding to 4511350021812 its reverse (2181200531154), we get a palindrome (6692550552966).

The spelling of 4511350021812 in words is "four trillion, five hundred eleven billion, three hundred fifty million, twenty-one thousand, eight hundred twelve".