25527527755 has 4 divisors (see below), whose sum is σ = 30633033312. Its totient is φ = 20422022200.

The previous prime is 25527527713. The next prime is 25527527803. The reversal of 25527527755 is 55772572552.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25527527755 - 2¹⁵ = 25527494987 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2552752771 + ... + 2552752780.

It is an arithmetic number, because the mean of its divisors is an integer number (7658258328).

Almost surely, 2^25527527755 is an apocalyptic number.

25527527755 is a deficient number, since it is larger than the sum of its proper divisors (5105505557).

25527527755 is an equidigital number, since it uses as much as digits as its factorization.

25527527755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105505556.

The product of its digits is 8575000, while the sum is 52.

The spelling of 25527527755 in words is "twenty-five billion, five hundred twenty-seven million, five hundred twenty-seven thousand, seven hundred fifty-five".