25506126755 has 8 divisors (see below), whose sum is σ = 30669691824. Its totient is φ = 20363341600.

The previous prime is 25506126739. The next prime is 25506126757. The reversal of 25506126755 is 55762160552.

It is a happy number.

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

It is not a de Polignac number, because 25506126755 - 2⁴ = 25506126739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25506126757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5192276 + ... + 5197185.

It is an arithmetic number, because the mean of its divisors is an integer number (3833711478).

Almost surely, 2^25506126755 is an apocalyptic number.

25506126755 is a deficient number, since it is larger than the sum of its proper divisors (5163565069).

25506126755 is a wasteful number, since it uses less digits than its factorization.

25506126755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10389957.

The product of its (nonzero) digits is 630000, while the sum is 44.

The spelling of 25506126755 in words is "twenty-five billion, five hundred six million, one hundred twenty-six thousand, seven hundred fifty-five".