11281442645 has 16 divisors (see below), whose sum is σ = 14783776128. Its totient is φ = 8196162240.

The previous prime is 11281442629. The next prime is 11281442659. The reversal of 11281442645 is 54624418211.

It is not a de Polignac number, because 11281442645 - 2⁴ = 11281442629 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11281442599 and 11281442608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52874 + ... + 159243.

It is an arithmetic number, because the mean of its divisors is an integer number (923986008).

Almost surely, 2^11281442645 is an apocalyptic number.

It is an amenable number.

11281442645 is a deficient number, since it is larger than the sum of its proper divisors (3502333483).

11281442645 is a wasteful number, since it uses less digits than its factorization.

11281442645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213100.

The product of its digits is 61440, while the sum is 38.

The spelling of 11281442645 in words is "eleven billion, two hundred eighty-one million, four hundred forty-two thousand, six hundred forty-five".