25553311255 has 8 divisors (see below), whose sum is σ = 30726941472. Its totient is φ = 20400670368.

The previous prime is 25553311241. The next prime is 25553311321. The reversal of 25553311255 is 55211335552.

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 25553311255 - 2⁷ = 25553311127 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, 5244652 + ... + 5249521.

It is an arithmetic number, because the mean of its divisors is an integer number (3840867684).

Almost surely, 2^25553311255 is an apocalyptic number.

25553311255 is a deficient number, since it is larger than the sum of its proper divisors (5173630217).

25553311255 is a wasteful number, since it uses less digits than its factorization.

25553311255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10494665.

The product of its digits is 112500, while the sum is 37.

The spelling of 25553311255 in words is "twenty-five billion, five hundred fifty-three million, three hundred eleven thousand, two hundred fifty-five".