11726045616 has 80 divisors (see below), whose sum is σ = 31782315008. Its totient is φ = 3720556800.

The previous prime is 11726045537. The next prime is 11726045621. The reversal of 11726045616 is 61654062711.

11726045616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26175 + ... + 155361.

Almost surely, 2^11726045616 is an apocalyptic number.

11726045616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11726045616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15891157504).

11726045616 is an abundant number, since it is smaller than the sum of its proper divisors (20056269392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11726045616 is a wasteful number, since it uses less digits than its factorization.

11726045616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129290 (or 129284 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 11726045616 in words is "eleven billion, seven hundred twenty-six million, forty-five thousand, six hundred sixteen".