11131034989 has 4 divisors (see below), whose sum is σ = 11614993056. Its totient is φ = 10647076924.

The previous prime is 11131034977. The next prime is 11131035007. The reversal of 11131034989 is 98943013111.

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 11131034989 - 2²¹ = 11128937837 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 (11131034909) 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, 241978999 + ... + 241979044.

It is an arithmetic number, because the mean of its divisors is an integer number (2903748264).

Almost surely, 2^11131034989 is an apocalyptic number.

It is an amenable number.

11131034989 is a deficient number, since it is larger than the sum of its proper divisors (483958067).

11131034989 is an equidigital number, since it uses as much as digits as its factorization.

11131034989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483958066.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 11131034989 in words is "eleven billion, one hundred thirty-one million, thirty-four thousand, nine hundred eighty-nine".