278252825255 has 8 divisors (see below), whose sum is σ = 333966150672. Its totient is φ = 222560419968.

The previous prime is 278252825251. The next prime is 278252825269. The reversal of 278252825255 is 552528252872.

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 278252825255 - 2² = 278252825251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 278252825197 and 278252825206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278252825251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5200754 + ... + 5253983.

It is an arithmetic number, because the mean of its divisors is an integer number (41745768834).

Almost surely, 2^278252825255 is an apocalyptic number.

278252825255 is a deficient number, since it is larger than the sum of its proper divisors (55713325417).

278252825255 is a wasteful number, since it uses less digits than its factorization.

278252825255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10460065.

The product of its digits is 8960000, while the sum is 53.

The spelling of 278252825255 in words is "two hundred seventy-eight billion, two hundred fifty-two million, eight hundred twenty-five thousand, two hundred fifty-five".