11724206701 has 4 divisors (see below), whose sum is σ = 12010163004. Its totient is φ = 11438250400.

The previous prime is 11724206657. The next prime is 11724206707. The reversal of 11724206701 is 10760242711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 311557801 + 11412648900 = 17651^2 + 106830^2 .

It is a cyclic number.

It is not a de Polignac number, because 11724206701 - 2¹⁹ = 11723682413 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 (11724206707) 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, 142978090 + ... + 142978171.

It is an arithmetic number, because the mean of its divisors is an integer number (3002540751).

Almost surely, 2^11724206701 is an apocalyptic number.

It is an amenable number.

11724206701 is a deficient number, since it is larger than the sum of its proper divisors (285956303).

11724206701 is an equidigital number, since it uses as much as digits as its factorization.

11724206701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285956302.

The product of its (nonzero) digits is 4704, while the sum is 31.

The spelling of 11724206701 in words is "eleven billion, seven hundred twenty-four million, two hundred six thousand, seven hundred one".