11551110355203 has 8 divisors (see below), whose sum is σ = 15420239892816. Its totient is φ = 7691360527200.

The previous prime is 11551110355093. The next prime is 11551110355217. The reversal of 11551110355203 is 30255301115511.

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

It is not a de Polignac number, because 11551110355203 - 2²⁵ = 11551076800771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11551110355243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2344924528 + ... + 2344929453.

It is an arithmetic number, because the mean of its divisors is an integer number (1927529986602).

Almost surely, 2^{11551110355203} is an apocalyptic number.

11551110355203 is a deficient number, since it is larger than the sum of its proper divisors (3869129537613).

11551110355203 is an equidigital number, since it uses as much as digits as its factorization.

11551110355203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689854805.

The product of its (nonzero) digits is 11250, while the sum is 33.

The spelling of 11551110355203 in words is "eleven trillion, five hundred fifty-one billion, one hundred ten million, three hundred fifty-five thousand, two hundred three".