28061100235 has 48 divisors (see below), whose sum is σ = 41975400096. Its totient is φ = 17891607552.

The previous prime is 28061100233. The next prime is 28061100253. The reversal of 28061100235 is 53200116082.

It is not a de Polignac number, because 28061100235 - 2¹ = 28061100233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28061100233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 305109 + ... + 386281.

It is an arithmetic number, because the mean of its divisors is an integer number (874487502).

Almost surely, 2^28061100235 is an apocalyptic number.

28061100235 is a deficient number, since it is larger than the sum of its proper divisors (13914299861).

28061100235 is a wasteful number, since it uses less digits than its factorization.

28061100235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81292 (or 81285 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 28061100235 in words is "twenty-eight billion, sixty-one million, one hundred thousand, two hundred thirty-five".