278053144004271 has 4 divisors (see below), whose sum is σ = 370737525339032. Its totient is φ = 185368762669512.

The previous prime is 278053144004263. The next prime is 278053144004281. The reversal of 278053144004271 is 172400441350872.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 278053144004271 - 2³ = 278053144004263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 278053144004271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278053144004221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46342190667376 + ... + 46342190667381.

It is an arithmetic number, because the mean of its divisors is an integer number (92684381334758).

Almost surely, 2^{278053144004271} is an apocalyptic number.

278053144004271 is a deficient number, since it is larger than the sum of its proper divisors (92684381334761).

278053144004271 is an equidigital number, since it uses as much as digits as its factorization.

278053144004271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92684381334760.

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 278053144004271 in words is "two hundred seventy-eight trillion, fifty-three billion, one hundred forty-four million, four thousand, two hundred seventy-one".