5278514378181 has 16 divisors (see below), whose sum is σ = 7700622017088. Its totient is φ = 3189606739200.

The previous prime is 5278514378153. The next prime is 5278514378261. The reversal of 5278514378181 is 1818734158725.

It is not a de Polignac number, because 5278514378181 - 2⁶ = 5278514378117 is a prime.

It is a super-2 number, since 2×5278514378181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278514378131) 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, 237310810 + ... + 237333051.

It is an arithmetic number, because the mean of its divisors is an integer number (481288876068).

Almost surely, 2^{5278514378181} is an apocalyptic number.

It is an amenable number.

5278514378181 is a deficient number, since it is larger than the sum of its proper divisors (2422107638907).

5278514378181 is a wasteful number, since it uses less digits than its factorization.

5278514378181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474644212.

The product of its digits is 15052800, while the sum is 60.

The spelling of 5278514378181 in words is "five trillion, two hundred seventy-eight billion, five hundred fourteen million, three hundred seventy-eight thousand, one hundred eighty-one".