25244545045 has 16 divisors (see below), whose sum is σ = 31669068672. Its totient is φ = 19281810240.

The previous prime is 25244544947. The next prime is 25244545121. The reversal of 25244545045 is 54054544252.

It is not a de Polignac number, because 25244545045 - 2¹¹ = 25244542997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25244544989 and 25244545007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140667 + ... + 265096.

It is an arithmetic number, because the mean of its divisors is an integer number (1979316792).

Almost surely, 2^25244545045 is an apocalyptic number.

It is an amenable number.

25244545045 is a deficient number, since it is larger than the sum of its proper divisors (6424523627).

25244545045 is a wasteful number, since it uses less digits than its factorization.

25244545045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406332.

The product of its (nonzero) digits is 640000, while the sum is 40.

The spelling of 25244545045 in words is "twenty-five billion, two hundred forty-four million, five hundred forty-five thousand, forty-five".