25537972896255 has 16 divisors (see below), whose sum is σ = 43011322773120. Its totient is φ = 12903396831648.

The previous prime is 25537972896253. The next prime is 25537972896281. The reversal of 25537972896255 is 55269827973552.

It is not a de Polignac number, because 25537972896255 - 2¹ = 25537972896253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25537972896251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44803460937 + ... + 44803461506.

It is an arithmetic number, because the mean of its divisors is an integer number (2688207673320).

Almost surely, 2^{25537972896255} is an apocalyptic number.

25537972896255 is a deficient number, since it is larger than the sum of its proper divisors (17473349876865).

25537972896255 is a wasteful number, since it uses less digits than its factorization.

25537972896255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89606922470.

The product of its digits is 2857680000, while the sum is 75.

The spelling of 25537972896255 in words is "twenty-five trillion, five hundred thirty-seven billion, nine hundred seventy-two million, eight hundred ninety-six thousand, two hundred fifty-five".