11140390847 has 4 divisors (see below), whose sum is σ = 11142499296. Its totient is φ = 11138282400.

The previous prime is 11140390829. The next prime is 11140390903. The reversal of 11140390847 is 74809304111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11140390847 - 2¹⁰ = 11140389823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11140390847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140390447) 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, 1046279 + ... + 1056872.

It is an arithmetic number, because the mean of its divisors is an integer number (2785624824).

Almost surely, 2^11140390847 is an apocalyptic number.

11140390847 is a deficient number, since it is larger than the sum of its proper divisors (2108449).

11140390847 is an equidigital number, since it uses as much as digits as its factorization.

11140390847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108448.

The product of its (nonzero) digits is 24192, while the sum is 38.

Adding to 11140390847 its reverse (74809304111), we get a palindrome (85949694958).

The spelling of 11140390847 in words is "eleven billion, one hundred forty million, three hundred ninety thousand, eight hundred forty-seven".