28525851101 has 8 divisors (see below), whose sum is σ = 31168435008. Its totient is φ = 25891488000.

The previous prime is 28525851061. The next prime is 28525851103. The reversal of 28525851101 is 10115852582.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28525851101 is a prime.

It is a super-3 number, since 3×28525851101³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28525851103) 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 7 ways as a sum of consecutive naturals, for example, 2047940 + ... + 2061821.

It is an arithmetic number, because the mean of its divisors is an integer number (3896054376).

Almost surely, 2^28525851101 is an apocalyptic number.

It is an amenable number.

28525851101 is a deficient number, since it is larger than the sum of its proper divisors (2642583907).

28525851101 is a wasteful number, since it uses less digits than its factorization.

28525851101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110403.

The product of its (nonzero) digits is 32000, while the sum is 38.

The spelling of 28525851101 in words is "twenty-eight billion, five hundred twenty-five million, eight hundred fifty-one thousand, one hundred one".