11526321445553 has 2 divisors, whose sum is σ = 11526321445554. Its totient is φ = 11526321445552.

The previous prime is 11526321445543. The next prime is 11526321445559. The reversal of 11526321445553 is 35554412362511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8445341651569 + 3080979793984 = 2906087^2 + 1755272^2 .

It is a cyclic number.

It is not a de Polignac number, because 11526321445553 - 2⁸ = 11526321445297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11526321445498 and 11526321445507.

It is not a weakly prime, because it can be changed into another prime (11526321445559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5763160722776 + 5763160722777.

It is an arithmetic number, because the mean of its divisors is an integer number (5763160722777).

Almost surely, 2^{11526321445553} is an apocalyptic number.

It is an amenable number.

11526321445553 is a deficient number, since it is larger than the sum of its proper divisors (1).

11526321445553 is an equidigital number, since it uses as much as digits as its factorization.

11526321445553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160000, while the sum is 47.

The spelling of 11526321445553 in words is "eleven trillion, five hundred twenty-six billion, three hundred twenty-one million, four hundred forty-five thousand, five hundred fifty-three".