4248781324155 has 64 divisors (see below), whose sum is σ = 7679721383040. Its totient is φ = 2228141260800.

The previous prime is 4248781324153. The next prime is 4248781324163. The reversal of 4248781324155 is 5514231878424.

4248781324155 is a `hidden beast` number, since 4 + 2 + 487 + 8 + 1 + 3 + 2 + 4 + 155 = 666.

It is not a de Polignac number, because 4248781324155 - 2¹ = 4248781324153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4248781324153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25618779 + ... + 25784091.

It is an arithmetic number, because the mean of its divisors is an integer number (119995646610).

Almost surely, 2^{4248781324155} is an apocalyptic number.

4248781324155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4248781324155 is a deficient number, since it is larger than the sum of its proper divisors (3430940058885).

4248781324155 is a wasteful number, since it uses less digits than its factorization.

4248781324155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168509 (or 168503 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 54.

The spelling of 4248781324155 in words is "four trillion, two hundred forty-eight billion, seven hundred eighty-one million, three hundred twenty-four thousand, one hundred fifty-five".