25053025525529 has 4 divisors (see below), whose sum is σ = 25141552117776. Its totient is φ = 24964498933284.

The previous prime is 25053025525481. The next prime is 25053025525531. The reversal of 25053025525529 is 92552552035052.

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-25053025525529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25053025525589) 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, 44263295699 + ... + 44263296264.

It is an arithmetic number, because the mean of its divisors is an integer number (6285388029444).

Almost surely, 2^{25053025525529} is an apocalyptic number.

It is an amenable number.

25053025525529 is a deficient number, since it is larger than the sum of its proper divisors (88526592247).

25053025525529 is an equidigital number, since it uses as much as digits as its factorization.

25053025525529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88526592246.

The product of its (nonzero) digits is 6750000, while the sum is 50.

The spelling of 25053025525529 in words is "twenty-five trillion, fifty-three billion, twenty-five million, five hundred twenty-five thousand, five hundred twenty-nine".