25552500252523 has 8 divisors (see below), whose sum is σ = 25594264969200. Its totient is φ = 25510763486208.

The previous prime is 25552500252467. The next prime is 25552500252529. The reversal of 25552500252523 is 32525200525552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25552500252523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25552500252523.

It is not an unprimeable number, because it can be changed into a prime (25552500252529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5157286 + ... + 8814907.

It is an arithmetic number, because the mean of its divisors is an integer number (3199283121150).

Almost surely, 2^{25552500252523} is an apocalyptic number.

25552500252523 is a deficient number, since it is larger than the sum of its proper divisors (41764716677).

25552500252523 is a wasteful number, since it uses less digits than its factorization.

25552500252523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13975181.

The product of its (nonzero) digits is 1500000, while the sum is 43.

The spelling of 25552500252523 in words is "twenty-five trillion, five hundred fifty-two billion, five hundred million, two hundred fifty-two thousand, five hundred twenty-three".