11240665047 has 12 divisors (see below), whose sum is σ = 17191605600. Its totient is φ = 7052966208.

The previous prime is 11240665043. The next prime is 11240665061. The reversal of 11240665047 is 74056604211.

It is not a de Polignac number, because 11240665047 - 2² = 11240665043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240665043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36734047 + ... + 36734352.

It is an arithmetic number, because the mean of its divisors is an integer number (1432633800).

Almost surely, 2^11240665047 is an apocalyptic number.

11240665047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11240665047 is a deficient number, since it is larger than the sum of its proper divisors (5950940553).

11240665047 is a wasteful number, since it uses less digits than its factorization.

11240665047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73468422 (or 73468419 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 11240665047 in words is "eleven billion, two hundred forty million, six hundred sixty-five thousand, forty-seven".