11724787005 has 16 divisors (see below), whose sum is σ = 18796527360. Its totient is φ = 6240930368.

The previous prime is 11724786979. The next prime is 11724787031. The reversal of 11724787005 is 50078742711.

It is an interprime number because it is at equal distance from previous prime (11724786979) and next prime (11724787031).

It is a cyclic number.

It is not a de Polignac number, because 11724787005 - 2⁷ = 11724786877 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 760197 + ... + 775466.

It is an arithmetic number, because the mean of its divisors is an integer number (1174782960).

Almost surely, 2^11724787005 is an apocalyptic number.

11724787005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11724787005 is a deficient number, since it is larger than the sum of its proper divisors (7071740355).

11724787005 is a wasteful number, since it uses less digits than its factorization.

11724787005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536180.

The product of its (nonzero) digits is 109760, while the sum is 42.

The spelling of 11724787005 in words is "eleven billion, seven hundred twenty-four million, seven hundred eighty-seven thousand, five".