25554245511025 has 24 divisors (see below), whose sum is σ = 39506199816384. Its totient is φ = 15929919278400.

The previous prime is 25554245511001. The next prime is 25554245511101. The reversal of 25554245511025 is 52011554245552.

It is not a de Polignac number, because 25554245511025 - 2¹³ = 25554245502833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6637464442 + ... + 6637468291.

It is an arithmetic number, because the mean of its divisors is an integer number (1646091659016).

Almost surely, 2^{25554245511025} is an apocalyptic number.

25554245511025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25554245511025 is a deficient number, since it is larger than the sum of its proper divisors (13951954305359).

25554245511025 is a wasteful number, since it uses less digits than its factorization.

25554245511025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13274932761 (or 13274932756 counting only the distinct ones).

The product of its (nonzero) digits is 2000000, while the sum is 46.

Adding to 25554245511025 its reverse (52011554245552), we get a palindrome (77565799756577).

The spelling of 25554245511025 in words is "twenty-five trillion, five hundred fifty-four billion, two hundred forty-five million, five hundred eleven thousand, twenty-five".