11726403407 has 4 divisors (see below), whose sum is σ = 11729806800. Its totient is φ = 11723000016.

The previous prime is 11726403389. The next prime is 11726403419. The reversal of 11726403407 is 70430462711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70430462711 = 7 ⋅10061494673.

It is a cyclic number.

It is not a de Polignac number, because 11726403407 - 2¹⁰ = 11726402383 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 (11726403457) 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, 1696523 + ... + 1703420.

It is an arithmetic number, because the mean of its divisors is an integer number (2932451700).

Almost surely, 2^11726403407 is an apocalyptic number.

11726403407 is a deficient number, since it is larger than the sum of its proper divisors (3403393).

11726403407 is an equidigital number, since it uses as much as digits as its factorization.

11726403407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403392.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 11726403407 in words is "eleven billion, seven hundred twenty-six million, four hundred three thousand, four hundred seven".