11726045506 has 32 divisors (see below), whose sum is σ = 20641121280. Its totient is φ = 4892271696.

The previous prime is 11726045503. The next prime is 11726045537. The reversal of 11726045506 is 60554062711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11726045503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16165 + ... + 153991.

It is an arithmetic number, because the mean of its divisors is an integer number (645035040).

Almost surely, 2^11726045506 is an apocalyptic number.

11726045506 is a deficient number, since it is larger than the sum of its proper divisors (8915075774).

11726045506 is a wasteful number, since it uses less digits than its factorization.

11726045506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137998.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 11726045506 in words is "eleven billion, seven hundred twenty-six million, forty-five thousand, five hundred six".