11284456850789 has 4 divisors (see below), whose sum is σ = 11284481562624. Its totient is φ = 11284432138956.

The previous prime is 11284456850731. The next prime is 11284456850831. The reversal of 11284456850789 is 98705865448211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11284456850789 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 (11284456850389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11657807 + ... + 12588620.

It is an arithmetic number, because the mean of its divisors is an integer number (2821120390656).

Almost surely, 2^{11284456850789} is an apocalyptic number.

It is an amenable number.

11284456850789 is a deficient number, since it is larger than the sum of its proper divisors (24711835).

11284456850789 is an equidigital number, since it uses as much as digits as its factorization.

11284456850789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24711834.

The product of its (nonzero) digits is 154828800, while the sum is 68.

The spelling of 11284456850789 in words is "eleven trillion, two hundred eighty-four billion, four hundred fifty-six million, eight hundred fifty thousand, seven hundred eighty-nine".