25466880811 has 4 divisors (see below), whose sum is σ = 25729426072. Its totient is φ = 25204335552.

The previous prime is 25466880797. The next prime is 25466880823. The reversal of 25466880811 is 11808866452.

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

It is a cyclic number.

It is not a de Polignac number, because 25466880811 - 2⁷ = 25466880683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25466880841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131272485 + ... + 131272678.

It is an arithmetic number, because the mean of its divisors is an integer number (6432356518).

Almost surely, 2^25466880811 is an apocalyptic number.

25466880811 is a deficient number, since it is larger than the sum of its proper divisors (262545261).

25466880811 is an equidigital number, since it uses as much as digits as its factorization.

25466880811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262545260.

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 25466880811 in words is "twenty-five billion, four hundred sixty-six million, eight hundred eighty thousand, eight hundred eleven".