11825346997 has 2 divisors, whose sum is σ = 11825346998. Its totient is φ = 11825346996.

The previous prime is 11825346979. The next prime is 11825347019. The reversal of 11825346997 is 79964352811.

It is a happy number.

11825346997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (11825346979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6979934116 + 4845412881 = 83546^2 + 69609^2 .

It is a cyclic number.

It is not a de Polignac number, because 11825346997 - 2¹⁵ = 11825314229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11825346497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5912673498 + 5912673499.

It is an arithmetic number, because the mean of its divisors is an integer number (5912673499).

Almost surely, 2^11825346997 is an apocalyptic number.

It is an amenable number.

11825346997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11825346997 is an equidigital number, since it uses as much as digits as its factorization.

11825346997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 55.

The spelling of 11825346997 in words is "eleven billion, eight hundred twenty-five million, three hundred forty-six thousand, nine hundred ninety-seven".