11001300989 has 4 divisors (see below), whose sum is σ = 12572915424. Its totient is φ = 9429686556.

The previous prime is 11001300953. The next prime is 11001301021. The reversal of 11001300989 is 98900310011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98900310011 = 31 ⋅3190332581.

It is a cyclic number.

It is not a de Polignac number, because 11001300989 - 2²⁰ = 11000252413 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 (11001300589) 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, 785807207 + ... + 785807220.

It is an arithmetic number, because the mean of its divisors is an integer number (3143228856).

Almost surely, 2^11001300989 is an apocalyptic number.

It is an amenable number.

11001300989 is a deficient number, since it is larger than the sum of its proper divisors (1571614435).

11001300989 is an equidigital number, since it uses as much as digits as its factorization.

11001300989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571614434.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 11001300989 in words is "eleven billion, one million, three hundred thousand, nine hundred eighty-nine".