25303020243045 has 32 divisors (see below), whose sum is σ = 42409420238592. Its totient is φ = 12857980895232.

The previous prime is 25303020242993. The next prime is 25303020243071. The reversal of 25303020243045 is 54034202030352.

It is not a de Polignac number, because 25303020243045 - 2¹⁴ = 25303020226661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25303020242997 and 25303020243015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142600222 + ... + 142777551.

It is an arithmetic number, because the mean of its divisors is an integer number (1325294382456).

Almost surely, 2^{25303020243045} is an apocalyptic number.

It is an amenable number.

25303020243045 is a deficient number, since it is larger than the sum of its proper divisors (17106399995547).

25303020243045 is a wasteful number, since it uses less digits than its factorization.

25303020243045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285378061.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 25303020243045 its reverse (54034202030352), we get a palindrome (79337222273397).

The spelling of 25303020243045 in words is "twenty-five trillion, three hundred three billion, twenty million, two hundred forty-three thousand, forty-five".