25505500300555 has 8 divisors (see below), whose sum is σ = 33389018575344. Its totient is φ = 18549454764000.

The previous prime is 25505500300487. The next prime is 25505500300573. The reversal of 25505500300555 is 55500300550552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25505500300555 - 2⁹ = 25505500300043 is a prime.

It is a super-2 number, since 2×25505500300555² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231868184496 + ... + 231868184605.

It is an arithmetic number, because the mean of its divisors is an integer number (4173627321918).

Almost surely, 2^{25505500300555} is an apocalyptic number.

25505500300555 is a deficient number, since it is larger than the sum of its proper divisors (7883518274789).

25505500300555 is a wasteful number, since it uses less digits than its factorization.

25505500300555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463736369117.

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 25505500300555 in words is "twenty-five trillion, five hundred five billion, five hundred million, three hundred thousand, five hundred fifty-five".