11033570989 has 4 divisors (see below), whose sum is σ = 12609795424. Its totient is φ = 9457346556.

The previous prime is 11033570981. The next prime is 11033571001. The reversal of 11033570989 is 98907533011.

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 not a de Polignac number, because 11033570989 - 2³ = 11033570981 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 (11033570981) 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 3 ways as a sum of consecutive naturals, for example, 788112207 + ... + 788112220.

It is an arithmetic number, because the mean of its divisors is an integer number (3152448856).

Almost surely, 2^11033570989 is an apocalyptic number.

It is an amenable number.

11033570989 is a deficient number, since it is larger than the sum of its proper divisors (1576224435).

11033570989 is an equidigital number, since it uses as much as digits as its factorization.

11033570989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576224434.

The product of its (nonzero) digits is 204120, while the sum is 46.

The spelling of 11033570989 in words is "eleven billion, thirty-three million, five hundred seventy thousand, nine hundred eighty-nine".