28156010841 has 24 divisors (see below), whose sum is σ = 46958946944. Its totient is φ = 15923278080.

The previous prime is 28156010837. The next prime is 28156010873. The reversal of 28156010841 is 14801065182.

28156010841 is a `hidden beast` number, since 2 + 8 + 1 + 5 + 601 + 0 + 8 + 41 = 666.

It is not a de Polignac number, because 28156010841 - 2² = 28156010837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28156010796 and 28156010805.

It is not an unprimeable number, because it can be changed into a prime (28156010821) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2297605 + ... + 2309826.

Almost surely, 2^28156010841 is an apocalyptic number.

28156010841 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28156010841 is a deficient number, since it is larger than the sum of its proper divisors (18802936103).

28156010841 is a wasteful number, since it uses less digits than its factorization.

28156010841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607541 (or 4607538 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The spelling of 28156010841 in words is "twenty-eight billion, one hundred fifty-six million, ten thousand, eight hundred forty-one".