25554250045 has 32 divisors (see below), whose sum is σ = 31418150400. Its totient is φ = 19948836864.

The previous prime is 25554250021. The next prime is 25554250079. The reversal of 25554250045 is 54005245552.

It is a cyclic number.

It is not a de Polignac number, because 25554250045 - 2¹¹ = 25554247997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25554249986 and 25554250013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16453989 + ... + 16455541.

It is an arithmetic number, because the mean of its divisors is an integer number (981817200).

Almost surely, 2^25554250045 is an apocalyptic number.

It is an amenable number.

25554250045 is a deficient number, since it is larger than the sum of its proper divisors (5863900355).

25554250045 is a wasteful number, since it uses less digits than its factorization.

25554250045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109.

The product of its (nonzero) digits is 200000, while the sum is 37.

Adding to 25554250045 its reverse (54005245552), we get a palindrome (79559495597).

The spelling of 25554250045 in words is "twenty-five billion, five hundred fifty-four million, two hundred fifty thousand, forty-five".