4581278113 has 4 divisors (see below), whose sum is σ = 4581474480. Its totient is φ = 4581081748.

The previous prime is 4581278111. The next prime is 4581278129. The reversal of 4581278113 is 3118721854.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4581278113 - 2¹ = 4581278111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4581278111) 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, 57595 + ... + 111712.

It is an arithmetic number, because the mean of its divisors is an integer number (1145368620).

Almost surely, 2^4581278113 is an apocalyptic number.

It is an amenable number.

4581278113 is a deficient number, since it is larger than the sum of its proper divisors (196367).

4581278113 is a wasteful number, since it uses less digits than its factorization.

4581278113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196366.

The product of its digits is 53760, while the sum is 40.

The square root of 4581278113 is about 67685.1395285553. The cubic root of 4581278113 is about 1660.8441674599.

Adding to 4581278113 its reverse (3118721854), we get a palindrome (7699999967).

The spelling of 4581278113 in words is "four billion, five hundred eighty-one million, two hundred seventy-eight thousand, one hundred thirteen".