11061287803 has 4 divisors (see below), whose sum is σ = 11296634400. Its totient is φ = 10825941208.

The previous prime is 11061287777. The next prime is 11061287827. The reversal of 11061287803 is 30878216011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30878216011 = 101 ⋅305724911.

It is a cyclic number.

It is not a de Polignac number, because 11061287803 - 2¹⁷ = 11061156731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11061287833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117673228 + ... + 117673321.

It is an arithmetic number, because the mean of its divisors is an integer number (2824158600).

Almost surely, 2^11061287803 is an apocalyptic number.

11061287803 is a deficient number, since it is larger than the sum of its proper divisors (235346597).

11061287803 is an equidigital number, since it uses as much as digits as its factorization.

11061287803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235346596.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 11061287803 in words is "eleven billion, sixty-one million, two hundred eighty-seven thousand, eight hundred three".