25028055252997 has 16 divisors (see below), whose sum is σ = 25369351770880. Its totient is φ = 24688759036032.

The previous prime is 25028055252929. The next prime is 25028055253043. The reversal of 25028055252997 is 79925255082052.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25028055252997 - 2¹⁹ = 25028054728709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25028055252397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46381579 + ... + 46918087.

It is an arithmetic number, because the mean of its divisors is an integer number (1585584485680).

Almost surely, 2^{25028055252997} is an apocalyptic number.

It is an amenable number.

25028055252997 is a deficient number, since it is larger than the sum of its proper divisors (341296517883).

25028055252997 is a wasteful number, since it uses less digits than its factorization.

25028055252997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538372.

The product of its (nonzero) digits is 45360000, while the sum is 61.

The spelling of 25028055252997 in words is "twenty-five trillion, twenty-eight billion, fifty-five million, two hundred fifty-two thousand, nine hundred ninety-seven".