11523726544121 has 8 divisors (see below), whose sum is σ = 12571460928000. Its totient is φ = 10476012640240.

The previous prime is 11523726544111. The next prime is 11523726544129. The reversal of 11523726544121 is 12144562732511.

It is a happy number.

11523726544121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11523726544121 - 2³⁸ = 11248848637177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11523726544129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3931481 + ... + 6205158.

It is an arithmetic number, because the mean of its divisors is an integer number (1571432616000).

Almost surely, 2^{11523726544121} is an apocalyptic number.

11523726544121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11523726544121 is a deficient number, since it is larger than the sum of its proper divisors (1047734383879).

11523726544121 is a wasteful number, since it uses less digits than its factorization.

11523726544121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10239999.

The product of its digits is 403200, while the sum is 44.

The spelling of 11523726544121 in words is "eleven trillion, five hundred twenty-three billion, seven hundred twenty-six million, five hundred forty-four thousand, one hundred twenty-one".