11532565523 has 2 divisors, whose sum is σ = 11532565524. Its totient is φ = 11532565522.

The previous prime is 11532565507. The next prime is 11532565537. The reversal of 11532565523 is 32556523511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11532565523 - 2⁴ = 11532565507 is a prime.

It is not a weakly prime, because it can be changed into another prime (11532565543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5766282761 + 5766282762.

It is an arithmetic number, because the mean of its divisors is an integer number (5766282762).

Almost surely, 2^11532565523 is an apocalyptic number.

11532565523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11532565523 is an equidigital number, since it uses as much as digits as its factorization.

11532565523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 135000, while the sum is 38.

The spelling of 11532565523 in words is "eleven billion, five hundred thirty-two million, five hundred sixty-five thousand, five hundred twenty-three".