25051445055 has 384 divisors, whose sum is σ = 59281238016. Its totient is φ = 9488793600.

The previous prime is 25051445011. The next prime is 25051445059. The reversal of 25051445055 is 55054415052.

25051445055 is a `hidden beast` number, since 2 + 5 + 0 + 5 + 144 + 505 + 5 = 666.

It is not a de Polignac number, because 25051445055 - 2⁷ = 25051444927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25051445059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 191232340 + ... + 191232470.

It is an arithmetic number, because the mean of its divisors is an integer number (154378224).

Almost surely, 2^25051445055 is an apocalyptic number.

25051445055 is an abundant number, since it is smaller than the sum of its proper divisors (34229792961).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25051445055 is a wasteful number, since it uses less digits than its factorization.

25051445055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 25051445055 in words is "twenty-five billion, fifty-one million, four hundred forty-five thousand, fifty-five".