11280388428003 has 16 divisors (see below), whose sum is σ = 15447203008160. Its totient is φ = 7316921258496.

The previous prime is 11280388427989. The next prime is 11280388428011. The reversal of 11280388428003 is 30082488308211.

It is a de Polignac number, because none of the positive numbers 2^k-11280388428003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11280388428013) 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, 9471963 + ... + 10596171.

It is an arithmetic number, because the mean of its divisors is an integer number (965450188010).

Almost surely, 2^{11280388428003} is an apocalyptic number.

11280388428003 is a deficient number, since it is larger than the sum of its proper divisors (4166814580157).

11280388428003 is a wasteful number, since it uses less digits than its factorization.

11280388428003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214646.

The product of its (nonzero) digits is 589824, while the sum is 48.

The spelling of 11280388428003 in words is "eleven trillion, two hundred eighty billion, three hundred eighty-eight million, four hundred twenty-eight thousand, three".