25057527508049 has 4 divisors (see below), whose sum is σ = 25111647438336. Its totient is φ = 25003407577764.

The previous prime is 25057527508021. The next prime is 25057527508051. The reversal of 25057527508049 is 94080572575052.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25057527508049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25056527508049) by changing a digit.

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, 27059964449 + ... + 27059965374.

It is an arithmetic number, because the mean of its divisors is an integer number (6277911859584).

Almost surely, 2^{25057527508049} is an apocalyptic number.

It is an amenable number.

25057527508049 is a deficient number, since it is larger than the sum of its proper divisors (54119930287).

25057527508049 is an equidigital number, since it uses as much as digits as its factorization.

25057527508049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54119930286.

The product of its (nonzero) digits is 35280000, while the sum is 59.

The spelling of 25057527508049 in words is "twenty-five trillion, fifty-seven billion, five hundred twenty-seven million, five hundred eight thousand, forty-nine".