11555355003 has 4 divisors (see below), whose sum is σ = 15407140008. Its totient is φ = 7703570000.

The previous prime is 11555354983. The next prime is 11555355011. The reversal of 11555355003 is 30055355511.

11555355003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11555355003 - 2¹⁶ = 11555289467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11555355013) 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, 1925892498 + ... + 1925892503.

It is an arithmetic number, because the mean of its divisors is an integer number (3851785002).

Almost surely, 2^11555355003 is an apocalyptic number.

11555355003 is a deficient number, since it is larger than the sum of its proper divisors (3851785005).

11555355003 is an equidigital number, since it uses as much as digits as its factorization.

11555355003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851785004.

The product of its (nonzero) digits is 28125, while the sum is 33.

The spelling of 11555355003 in words is "eleven billion, five hundred fifty-five million, three hundred fifty-five thousand, three".