12535041550399 has 2 divisors, whose sum is σ = 12535041550400. Its totient is φ = 12535041550398.

The previous prime is 12535041550393. The next prime is 12535041550433. The reversal of 12535041550399 is 99305514053521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12535041550399 - 2³ = 12535041550391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12535041550391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267520775199 + 6267520775200.

It is an arithmetic number, because the mean of its divisors is an integer number (6267520775200).

Almost surely, 2^{12535041550399} is an apocalyptic number.

12535041550399 is a deficient number, since it is larger than the sum of its proper divisors (1).

12535041550399 is an equidigital number, since it uses as much as digits as its factorization.

12535041550399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645000, while the sum is 52.

The spelling of 12535041550399 in words is "twelve trillion, five hundred thirty-five billion, forty-one million, five hundred fifty thousand, three hundred ninety-nine".