5561011493 has 8 divisors (see below), whose sum is σ = 5753720280. Its totient is φ = 5368366080.

The previous prime is 5561011487. The next prime is 5561011513. The reversal of 5561011493 is 3941101655.

It can be written as a sum of positive squares in 4 ways, for example, as 1252664449 + 4308347044 = 35393^2 + 65638^2 .

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-5561011493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561011793) 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 7 ways as a sum of consecutive naturals, for example, 224921 + ... + 248417.

It is an arithmetic number, because the mean of its divisors is an integer number (719215035).

Almost surely, 2^5561011493 is an apocalyptic number.

It is an amenable number.

5561011493 is a deficient number, since it is larger than the sum of its proper divisors (192708787).

5561011493 is a wasteful number, since it uses less digits than its factorization.

5561011493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31687.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 5561011493 is about 74572.1898096066. The cubic root of 5561011493 is about 1771.6772054811.

The spelling of 5561011493 in words is "five billion, five hundred sixty-one million, eleven thousand, four hundred ninety-three".