11431084385 has 8 divisors (see below), whose sum is σ = 15676915776. Its totient is φ = 7838457840.

The previous prime is 11431084331. The next prime is 11431084403. The reversal of 11431084385 is 58348013411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11431084385 - 2⁸ = 11431084129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163301171 + ... + 163301240.

It is an arithmetic number, because the mean of its divisors is an integer number (1959614472).

Almost surely, 2^11431084385 is an apocalyptic number.

It is an amenable number.

11431084385 is a deficient number, since it is larger than the sum of its proper divisors (4245831391).

11431084385 is an equidigital number, since it uses as much as digits as its factorization.

11431084385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326602423.

The product of its (nonzero) digits is 46080, while the sum is 38.

Adding to 11431084385 its reverse (58348013411), we get a palindrome (69779097796).

The spelling of 11431084385 in words is "eleven billion, four hundred thirty-one million, eighty-four thousand, three hundred eighty-five".