11506528926 has 64 divisors (see below), whose sum is σ = 26164166400. Its totient is φ = 3747199968.

The previous prime is 11506528903. The next prime is 11506528933. The reversal of 11506528926 is 62982560511.

11506528926 is a `hidden beast` number, since 1 + 1 + 506 + 52 + 8 + 92 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508240 + ... + 530396.

It is an arithmetic number, because the mean of its divisors is an integer number (408815100).

Almost surely, 2^11506528926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11506528926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13082083200).

11506528926 is an abundant number, since it is smaller than the sum of its proper divisors (14657637474).

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

11506528926 is a wasteful number, since it uses less digits than its factorization.

11506528926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22390 (or 22384 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 11506528926 in words is "eleven billion, five hundred six million, five hundred twenty-eight thousand, nine hundred twenty-six".