5561400001 has 4 divisors (see below), whose sum is σ = 5562083412. Its totient is φ = 5560716592.

The previous prime is 5561399983. The next prime is 5561400079. The reversal of 5561400001 is 1000041655.

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 2870280625 + 2691119376 = 53575^2 + 51876^2 .

It is a cyclic number.

It is not a de Polignac number, because 5561400001 - 2⁹ = 5561399489 is a prime.

It is a super-2 number, since 2×5561400001² = 61858339942245600002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5561400101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329350 + ... + 345823.

It is an arithmetic number, because the mean of its divisors is an integer number (1390520853).

Almost surely, 2^5561400001 is an apocalyptic number.

It is an amenable number.

5561400001 is a deficient number, since it is larger than the sum of its proper divisors (683411).

5561400001 is an equidigital number, since it uses as much as digits as its factorization.

5561400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683410.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 5561400001 is about 74574.7946762175. The cubic root of 5561400001 is about 1771.7184626481.

Adding to 5561400001 its reverse (1000041655), we get a palindrome (6561441656).

The spelling of 5561400001 in words is "five billion, five hundred sixty-one million, four hundred thousand, one".