25190580655 has 8 divisors (see below), whose sum is σ = 30230242992. Its totient is φ = 20151433728.

The previous prime is 25190580643. The next prime is 25190580673. The reversal of 25190580655 is 55608509152.

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 25190580655 - 2⁹ = 25190580143 is a prime.

It is a Duffinian number.

It is a congruent 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, 11629 + ... + 224758.

It is an arithmetic number, because the mean of its divisors is an integer number (3778780374).

Almost surely, 2^25190580655 is an apocalyptic number.

25190580655 is a deficient number, since it is larger than the sum of its proper divisors (5039662337).

25190580655 is a wasteful number, since it uses less digits than its factorization.

25190580655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257705.

The product of its (nonzero) digits is 540000, while the sum is 46.

The spelling of 25190580655 in words is "twenty-five billion, one hundred ninety million, five hundred eighty thousand, six hundred fifty-five".