25061110049 has 4 divisors (see below), whose sum is σ = 25533961236. Its totient is φ = 24588258864.

The previous prime is 25061110033. The next prime is 25061110093. The reversal of 25061110049 is 94001116052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13743341824 + 11317768225 = 117232^2 + 106385^2 .

It is a cyclic number.

It is not a de Polignac number, because 25061110049 - 2⁴ = 25061110033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25061110649) 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, 236425514 + ... + 236425619.

It is an arithmetic number, because the mean of its divisors is an integer number (6383490309).

Almost surely, 2^25061110049 is an apocalyptic number.

It is an amenable number.

25061110049 is a deficient number, since it is larger than the sum of its proper divisors (472851187).

25061110049 is an equidigital number, since it uses as much as digits as its factorization.

25061110049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472851186.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 25061110049 in words is "twenty-five billion, sixty-one million, one hundred ten thousand, forty-nine".