11840287503909 has 8 divisors (see below), whose sum is σ = 15911357486080. Its totient is φ = 7831371262176.

The previous prime is 11840287503851. The next prime is 11840287503973. The reversal of 11840287503909 is 90930578204811.

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

It is not a de Polignac number, because 11840287503909 - 2²⁵ = 11840253949477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11840287503409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15538434664 + ... + 15538435425.

It is an arithmetic number, because the mean of its divisors is an integer number (1988919685760).

Almost surely, 2^{11840287503909} is an apocalyptic number.

It is an amenable number.

11840287503909 is a deficient number, since it is larger than the sum of its proper divisors (4071069982171).

11840287503909 is a wasteful number, since it uses less digits than its factorization.

11840287503909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31076870219.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 11840287503909 in words is "eleven trillion, eight hundred forty billion, two hundred eighty-seven million, five hundred three thousand, nine hundred nine".