25000280278055 has 8 divisors (see below), whose sum is σ = 30006862429632. Its totient is φ = 19995873491808.

The previous prime is 25000280277991. The next prime is 25000280278087. The reversal of 25000280278055 is 55087208200052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25000280278055 - 2⁶ = 25000280277991 is a prime.

It is a super-2 number, since 2×25000280278055² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25000280277997 and 25000280278015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543816047 + ... + 543862016.

It is an arithmetic number, because the mean of its divisors is an integer number (3750857803704).

Almost surely, 2^{25000280278055} is an apocalyptic number.

25000280278055 is a deficient number, since it is larger than the sum of its proper divisors (5006582151577).

25000280278055 is a wasteful number, since it uses less digits than its factorization.

25000280278055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087682665.

The product of its (nonzero) digits is 448000, while the sum is 44.

The spelling of 25000280278055 in words is "twenty-five trillion, two hundred eighty million, two hundred seventy-eight thousand, fifty-five".