28800121080543 has 32 divisors (see below), whose sum is σ = 39871571544000. Its totient is φ = 18469373776896.

The previous prime is 28800121080539. The next prime is 28800121080557. The reversal of 28800121080543 is 34508012100882.

It is not a de Polignac number, because 28800121080543 - 2² = 28800121080539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28800121080495 and 28800121080504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28800121080583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35825521 + ... + 36620597.

It is an arithmetic number, because the mean of its divisors is an integer number (1245986610750).

Almost surely, 2^{28800121080543} is an apocalyptic number.

28800121080543 is a deficient number, since it is larger than the sum of its proper divisors (11071450463457).

28800121080543 is a wasteful number, since it uses less digits than its factorization.

28800121080543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796651.

The product of its (nonzero) digits is 122880, while the sum is 42.

The spelling of 28800121080543 in words is "twenty-eight trillion, eight hundred billion, one hundred twenty-one million, eighty thousand, five hundred forty-three".