25253153102103 has 4 divisors (see below), whose sum is σ = 33670870802808. Its totient is φ = 16835435401400.

The previous prime is 25253153102039. The next prime is 25253153102113. The reversal of 25253153102103 is 30120135135252.

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 25253153102103 - 2⁶ = 25253153102039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253153102113) 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, 4208858850348 + ... + 4208858850353.

It is an arithmetic number, because the mean of its divisors is an integer number (8417717700702).

Almost surely, 2^{25253153102103} is an apocalyptic number.

25253153102103 is a deficient number, since it is larger than the sum of its proper divisors (8417717700705).

25253153102103 is an equidigital number, since it uses as much as digits as its factorization.

25253153102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8417717700704.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 25253153102103 its reverse (30120135135252), we get a palindrome (55373288237355).

The spelling of 25253153102103 in words is "twenty-five trillion, two hundred fifty-three billion, one hundred fifty-three million, one hundred two thousand, one hundred three".