10523120591 has 2 divisors, whose sum is σ = 10523120592. Its totient is φ = 10523120590.

The previous prime is 10523120579. The next prime is 10523120617. The reversal of 10523120591 is 19502132501.

It is a weak prime.

It is an emirp because it is prime and its reverse (19502132501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10523120591 - 2³⁰ = 9449378767 is a prime.

It is a super-2 number, since 2×10523120591² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10523120191) 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, 5261560295 + 5261560296.

It is an arithmetic number, because the mean of its divisors is an integer number (5261560296).

Almost surely, 2^10523120591 is an apocalyptic number.

10523120591 is a deficient number, since it is larger than the sum of its proper divisors (1).

10523120591 is an equidigital number, since it uses as much as digits as its factorization.

10523120591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 29.

The spelling of 10523120591 in words is "ten billion, five hundred twenty-three million, one hundred twenty thousand, five hundred ninety-one".