11724136344511 has 4 divisors (see below), whose sum is σ = 12233881402992. Its totient is φ = 11214391286032.

The previous prime is 11724136344493. The next prime is 11724136344517. The reversal of 11724136344511 is 11544363142711.

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 11724136344511 - 2¹⁵ = 11724136311743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11724136344517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254872529206 + ... + 254872529251.

It is an arithmetic number, because the mean of its divisors is an integer number (3058470350748).

Almost surely, 2^{11724136344511} is an apocalyptic number.

11724136344511 is a deficient number, since it is larger than the sum of its proper divisors (509745058481).

11724136344511 is an equidigital number, since it uses as much as digits as its factorization.

11724136344511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509745058480.

The product of its digits is 241920, while the sum is 43.

The spelling of 11724136344511 in words is "eleven trillion, seven hundred twenty-four billion, one hundred thirty-six million, three hundred forty-four thousand, five hundred eleven".