28061212041 has 6 divisors (see below), whose sum is σ = 40532861850. Its totient is φ = 18707474688.

The previous prime is 28061212019. The next prime is 28061212063. The reversal of 28061212041 is 14021216082.

28061212041 is a `hidden beast` number, since 2 + 8 + 0 + 612 + 1 + 2 + 0 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (28061212019) and next prime (28061212063).

It can be written as a sum of positive squares in only one way, i.e., 23415426441 + 4645785600 = 153021^2 + 68160^2 .

It is not a de Polignac number, because 28061212041 - 2⁶ = 28061211977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28061211996 and 28061212014.

It is not an unprimeable number, because it can be changed into a prime (28061212001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1558956216 + ... + 1558956233.

It is an arithmetic number, because the mean of its divisors is an integer number (6755476975).

Almost surely, 2^28061212041 is an apocalyptic number.

It is an amenable number.

28061212041 is a deficient number, since it is larger than the sum of its proper divisors (12471649809).

28061212041 is a wasteful number, since it uses less digits than its factorization.

28061212041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117912455 (or 3117912452 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The spelling of 28061212041 in words is "twenty-eight billion, sixty-one million, two hundred twelve thousand, forty-one".