25522075505 has 8 divisors (see below), whose sum is σ = 30680130624. Its totient is φ = 20381900400.

The previous prime is 25522075499. The next prime is 25522075519. The reversal of 25522075505 is 50557022552.

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

It is not a de Polignac number, because 25522075505 - 2²⁰ = 25521026929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4466861 + ... + 4472570.

It is an arithmetic number, because the mean of its divisors is an integer number (3835016328).

Almost surely, 2^25522075505 is an apocalyptic number.

It is an amenable number.

25522075505 is a deficient number, since it is larger than the sum of its proper divisors (5158055119).

25522075505 is an equidigital number, since it uses as much as digits as its factorization.

25522075505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8940007.

The product of its (nonzero) digits is 175000, while the sum is 38.

The spelling of 25522075505 in words is "twenty-five billion, five hundred twenty-two million, seventy-five thousand, five hundred five".