5561011 has 8 divisors (see below), whose sum is σ = 5784480. Its totient is φ = 5339712.

The previous prime is 5560957. The next prime is 5561029. The reversal of 5561011 is 1101655.

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

It is not a de Polignac number, because 5561011 - 2⁷ = 5560883 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 5561011.

It is not an unprimeable number, because it can be changed into a prime (5561041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6346 + ... + 7168.

It is an arithmetic number, because the mean of its divisors is an integer number (723060).

Almost surely, 2^5561011 is an apocalyptic number.

5561011 is the 1261-st centered heptagonal number.

5561011 is a deficient number, since it is larger than the sum of its proper divisors (223469).

5561011 is a wasteful number, since it uses less digits than its factorization.

5561011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 5561011 is about 2358.1795945178. The cubic root of 5561011 is about 177.1677153126.

Adding to 5561011 its reverse (1101655), we get a palindrome (6662666).

The spelling of 5561011 in words is "five million, five hundred sixty-one thousand, eleven".