25543120093 has 2 divisors, whose sum is σ = 25543120094. Its totient is φ = 25543120092.

The previous prime is 25543120087. The next prime is 25543120129. The reversal of 25543120093 is 39002134552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25229192569 + 313927524 = 158837^2 + 17718^2 .

It is a cyclic number.

It is not a de Polignac number, because 25543120093 - 2²⁹ = 25006249181 is a prime.

It is a super-3 number, since 3×25543120093³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25543120693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12771560046 + 12771560047.

It is an arithmetic number, because the mean of its divisors is an integer number (12771560047).

Almost surely, 2^25543120093 is an apocalyptic number.

It is an amenable number.

25543120093 is a deficient number, since it is larger than the sum of its proper divisors (1).

25543120093 is an equidigital number, since it uses as much as digits as its factorization.

25543120093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 25543120093 in words is "twenty-five billion, five hundred forty-three million, one hundred twenty thousand, ninety-three".