11025389009 has 4 divisors (see below), whose sum is σ = 11030254704. Its totient is φ = 11020523316.

The previous prime is 11025388993. The next prime is 11025389051. The reversal of 11025389009 is 90098352011.

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 not a de Polignac number, because 11025389009 - 2⁴ = 11025388993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11025389209) 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, 2429447 + ... + 2433980.

It is an arithmetic number, because the mean of its divisors is an integer number (2757563676).

Almost surely, 2^11025389009 is an apocalyptic number.

It is an amenable number.

11025389009 is a deficient number, since it is larger than the sum of its proper divisors (4865695).

11025389009 is an equidigital number, since it uses as much as digits as its factorization.

11025389009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865694.

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 11025389009 in words is "eleven billion, twenty-five million, three hundred eighty-nine thousand, nine".