25555055541 has 16 divisors (see below), whose sum is σ = 34255728960. Its totient is φ = 16945689600.

The previous prime is 25555055521. The next prime is 25555055543. The reversal of 25555055541 is 14555055552.

It is not a de Polignac number, because 25555055541 - 2⁷ = 25555055413 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25555055493 and 25555055502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25555055543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704341 + ... + 739733.

It is an arithmetic number, because the mean of its divisors is an integer number (2140983060).

Almost surely, 2^25555055541 is an apocalyptic number.

It is an amenable number.

25555055541 is a deficient number, since it is larger than the sum of its proper divisors (8700673419).

25555055541 is a wasteful number, since it uses less digits than its factorization.

25555055541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36676.

The product of its (nonzero) digits is 625000, while the sum is 42.

The spelling of 25555055541 in words is "twenty-five billion, five hundred fifty-five million, fifty-five thousand, five hundred forty-one".