28613414185105 has 8 divisors (see below), whose sum is σ = 34554798277992. Its totient is φ = 22744930510848.

The previous prime is 28613414185033. The next prime is 28613414185133. The reversal of 28613414185105 is 50158141431682.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3496002129 + 28609918182976 = 59127^2 + 5348824^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28613414185105 is a prime.

It is a super-2 number, since 2×28613414185105² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18225103792 + ... + 18225105361.

It is an arithmetic number, because the mean of its divisors is an integer number (4319349784749).

Almost surely, 2^{28613414185105} is an apocalyptic number.

It is an amenable number.

28613414185105 is a deficient number, since it is larger than the sum of its proper divisors (5941384092887).

28613414185105 is a wasteful number, since it uses less digits than its factorization.

28613414185105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36450209315.

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 28613414185105 in words is "twenty-eight trillion, six hundred thirteen billion, four hundred fourteen million, one hundred eighty-five thousand, one hundred five".