28848743511 has 16 divisors (see below), whose sum is σ = 45475852800. Its totient is φ = 15916547808.

The previous prime is 28848743507. The next prime is 28848743513. The reversal of 28848743511 is 11534784882.

It is a happy number.

It is not a de Polignac number, because 28848743511 - 2² = 28848743507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28848743513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23684731 + ... + 23685948.

It is an arithmetic number, because the mean of its divisors is an integer number (2842240800).

Almost surely, 2^28848743511 is an apocalyptic number.

28848743511 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

28848743511 is a deficient number, since it is larger than the sum of its proper divisors (16627109289).

28848743511 is a wasteful number, since it uses less digits than its factorization.

28848743511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47370718.

The product of its digits is 1720320, while the sum is 51.

The spelling of 28848743511 in words is "twenty-eight billion, eight hundred forty-eight million, seven hundred forty-three thousand, five hundred eleven".