25421067055 has 8 divisors (see below), whose sum is σ = 31831597152. Its totient is φ = 19452642528.

The previous prime is 25421067041. The next prime is 25421067059. The reversal of 25421067055 is 55076012452.

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

It is a cyclic number.

It is not a de Polignac number, because 25421067055 - 2⁹ = 25421066543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25421067059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110526264 + ... + 110526493.

It is an arithmetic number, because the mean of its divisors is an integer number (3978949644).

Almost surely, 2^25421067055 is an apocalyptic number.

25421067055 is a deficient number, since it is larger than the sum of its proper divisors (6410530097).

25421067055 is a wasteful number, since it uses less digits than its factorization.

25421067055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221052785.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 25421067055 in words is "twenty-five billion, four hundred twenty-one million, sixty-seven thousand, fifty-five".