28658134511 has 8 divisors (see below), whose sum is σ = 30175612800. Its totient is φ = 27141571800.

The previous prime is 28658134493. The next prime is 28658134541. The reversal of 28658134511 is 11543185682.

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

It is a cyclic number.

It is not a de Polignac number, because 28658134511 - 2⁶ = 28658134447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28658134541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164165 + ... + 290286.

It is an arithmetic number, because the mean of its divisors is an integer number (3771951600).

Almost surely, 2^28658134511 is an apocalyptic number.

28658134511 is a deficient number, since it is larger than the sum of its proper divisors (1517478289).

28658134511 is a wasteful number, since it uses less digits than its factorization.

28658134511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457789.

The product of its digits is 230400, while the sum is 44.

The spelling of 28658134511 in words is "twenty-eight billion, six hundred fifty-eight million, one hundred thirty-four thousand, five hundred eleven".