11631030009 has 4 divisors (see below), whose sum is σ = 15508040016. Its totient is φ = 7754020004.

The previous prime is 11631030001. The next prime is 11631030017. The reversal of 11631030009 is 90003013611.

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 an interprime number because it is at equal distance from previous prime (11631030001) and next prime (11631030017).

It is a cyclic number.

It is not a de Polignac number, because 11631030009 - 2³ = 11631030001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11631030001) 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, 1938504999 + ... + 1938505004.

It is an arithmetic number, because the mean of its divisors is an integer number (3877010004).

Almost surely, 2^11631030009 is an apocalyptic number.

It is an amenable number.

11631030009 is a deficient number, since it is larger than the sum of its proper divisors (3877010007).

11631030009 is an equidigital number, since it uses as much as digits as its factorization.

11631030009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877010006.

The product of its (nonzero) digits is 486, while the sum is 24.

The spelling of 11631030009 in words is "eleven billion, six hundred thirty-one million, thirty thousand, nine".