5561406111 has 8 divisors (see below), whose sum is σ = 7459611264. Its totient is φ = 3685402520.

The previous prime is 5561406041. The next prime is 5561406113. The reversal of 5561406111 is 1116041655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5561406111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561406113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5549805 + ... + 5550806.

It is an arithmetic number, because the mean of its divisors is an integer number (932451408).

Almost surely, 2^5561406111 is an apocalyptic number.

5561406111 is a deficient number, since it is larger than the sum of its proper divisors (1898205153).

5561406111 is a wasteful number, since it uses less digits than its factorization.

5561406111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100781.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 5561406111 is about 74574.8356417901. The cubic root of 5561406111 is about 1771.7191114773.

Adding to 5561406111 its reverse (1116041655), we get a palindrome (6677447766).

The spelling of 5561406111 in words is "five billion, five hundred sixty-one million, four hundred six thousand, one hundred eleven".