5561111727340 has 48 divisors (see below), whose sum is σ = 12578055009408. Its totient is φ = 2053107120384.

The previous prime is 5561111727331. The next prime is 5561111727349. The reversal of 5561111727340 is 437271111655.

It is an interprime number because it is at equal distance from previous prime (5561111727331) and next prime (5561111727349).

It is not an unprimeable number, because it can be changed into a prime (5561111727349) 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, 1191954 + ... + 3541606.

It is an arithmetic number, because the mean of its divisors is an integer number (262042812696).

Almost surely, 2^{5561111727340} is an apocalyptic number.

It is an amenable number.

5561111727340 is an abundant number, since it is smaller than the sum of its proper divisors (7016943282068).

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

5561111727340 is a wasteful number, since it uses less digits than its factorization.

5561111727340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358778 (or 2358776 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

Adding to 5561111727340 its reverse (437271111655), we get a palindrome (5998382838995).

The spelling of 5561111727340 in words is "five trillion, five hundred sixty-one billion, one hundred eleven million, seven hundred twenty-seven thousand, three hundred forty".