6121300545361 has 4 divisors (see below), whose sum is σ = 6129219434292. Its totient is φ = 6113381656432.

The previous prime is 6121300545337. The next prime is 6121300545377. The reversal of 6121300545361 is 1635450031216.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2903510352961 + 3217790192400 = 1703969^2 + 1793820^2 .

It is a cyclic number.

It is not a de Polignac number, because 6121300545361 - 2¹¹ = 6121300543313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6121300545361.

It is not an unprimeable number, because it can be changed into a prime (6121300545301) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3959443306 + ... + 3959444851.

It is an arithmetic number, because the mean of its divisors is an integer number (1532304858573).

Almost surely, 2^{6121300545361} is an apocalyptic number.

It is an amenable number.

6121300545361 is a deficient number, since it is larger than the sum of its proper divisors (7918888931).

6121300545361 is an equidigital number, since it uses as much as digits as its factorization.

6121300545361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7918888930.

The product of its (nonzero) digits is 64800, while the sum is 37.

Adding to 6121300545361 its reverse (1635450031216), we get a palindrome (7756750576577).

The spelling of 6121300545361 in words is "six trillion, one hundred twenty-one billion, three hundred million, five hundred forty-five thousand, three hundred sixty-one".