11729627523 has 36 divisors (see below), whose sum is σ = 18356686680. Its totient is φ = 7401432672.

The previous prime is 11729627443. The next prime is 11729627527. The reversal of 11729627523 is 32572692711.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

11729627523 is a `hidden beast` number, since 1 + 17 + 2 + 9 + 627 + 5 + 2 + 3 = 666.

It is not a de Polignac number, because 11729627523 - 2⁸ = 11729627267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11729627527) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10691911 + ... + 10693007.

Almost surely, 2^11729627523 is an apocalyptic number.

11729627523 is a deficient number, since it is larger than the sum of its proper divisors (6627059157).

11729627523 is an frugal number, since it uses more digits than its factorization.

11729627523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241 (or 1119 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The spelling of 11729627523 in words is "eleven billion, seven hundred twenty-nine million, six hundred twenty-seven thousand, five hundred twenty-three".