25552777502755 has 4 divisors (see below), whose sum is σ = 30663333003312. Its totient is φ = 20442222002200.

The previous prime is 25552777502753. The next prime is 25552777502767. The reversal of 25552777502755 is 55720577725552.

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

It is not a de Polignac number, because 25552777502755 - 2¹ = 25552777502753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25552777502753) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2555277750271 + ... + 2555277750280.

It is an arithmetic number, because the mean of its divisors is an integer number (7665833250828).

Almost surely, 2^{25552777502755} is an apocalyptic number.

25552777502755 is a deficient number, since it is larger than the sum of its proper divisors (5110555500557).

25552777502755 is an equidigital number, since it uses as much as digits as its factorization.

25552777502755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110555500556.

The product of its (nonzero) digits is 300125000, while the sum is 64.

The spelling of 25552777502755 in words is "twenty-five trillion, five hundred fifty-two billion, seven hundred seventy-seven million, five hundred two thousand, seven hundred fifty-five".