11726616725 has 12 divisors (see below), whose sum is σ = 14542347876. Its totient is φ = 9380426880.

The previous prime is 11726616689. The next prime is 11726616749. The reversal of 11726616725 is 52761662711.

It can be written as a sum of positive squares in 6 ways, for example, as 2218221604 + 9508395121 = 47098^2 + 97511^2 .

It is not a de Polignac number, because 11726616725 - 2⁶ = 11726616661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 518759 + ... + 540891.

It is an arithmetic number, because the mean of its divisors is an integer number (1211862323).

Almost surely, 2^11726616725 is an apocalyptic number.

It is an amenable number.

11726616725 is a deficient number, since it is larger than the sum of its proper divisors (2815731151).

11726616725 is a wasteful number, since it uses less digits than its factorization.

11726616725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43336 (or 43331 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The spelling of 11726616725 in words is "eleven billion, seven hundred twenty-six million, six hundred sixteen thousand, seven hundred twenty-five".