11326040521 has 2 divisors, whose sum is σ = 11326040522. Its totient is φ = 11326040520.

The previous prime is 11326040501. The next prime is 11326040591. The reversal of 11326040521 is 12504062311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6949556496 + 4376484025 = 83364^2 + 66155^2 .

It is a cyclic number.

It is not a de Polignac number, because 11326040521 - 2¹⁵ = 11326007753 is a prime.

It is not a weakly prime, because it can be changed into another prime (11326040501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5663020260 + 5663020261.

It is an arithmetic number, because the mean of its divisors is an integer number (5663020261).

Almost surely, 2^11326040521 is an apocalyptic number.

It is an amenable number.

11326040521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11326040521 is an equidigital number, since it uses as much as digits as its factorization.

11326040521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 11326040521 in words is "eleven billion, three hundred twenty-six million, forty thousand, five hundred twenty-one".