5561361140051 has 16 divisors (see below), whose sum is σ = 5839085828160. Its totient is φ = 5296729387840.

The previous prime is 5561361140009. The next prime is 5561361140077. The reversal of 5561361140051 is 1500411631655.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-5561361140051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5561361139987 and 5561361140014.

It is not an unprimeable number, because it can be changed into a prime (5561361146051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1854041 + ... + 3815781.

It is an arithmetic number, because the mean of its divisors is an integer number (364942864260).

Almost surely, 2^{5561361140051} is an apocalyptic number.

5561361140051 is a deficient number, since it is larger than the sum of its proper divisors (277724688109).

5561361140051 is an equidigital number, since it uses as much as digits as its factorization.

5561361140051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962043 (or 1961997 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 5561361140051 in words is "five trillion, five hundred sixty-one billion, three hundred sixty-one million, one hundred forty thousand, fifty-one".