11555545303 has 16 divisors (see below), whose sum is σ = 12304703520. Its totient is φ = 10814284800.

The previous prime is 11555545259. The next prime is 11555545327. The reversal of 11555545303 is 30354555511.

It is a de Polignac number, because none of the positive numbers 2^k-11555545303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11555545103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2298933 + ... + 2303953.

It is an arithmetic number, because the mean of its divisors is an integer number (769043970).

Almost surely, 2^11555545303 is an apocalyptic number.

11555545303 is a deficient number, since it is larger than the sum of its proper divisors (749158217).

11555545303 is a wasteful number, since it uses less digits than its factorization.

11555545303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778.

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 11555545303 in words is "eleven billion, five hundred fifty-five million, five hundred forty-five thousand, three hundred three".