28998803131201 has 8 divisors (see below), whose sum is σ = 30525171951680. Its totient is φ = 27472445913168.

The previous prime is 28998803131159. The next prime is 28998803131229. The reversal of 28998803131201 is 10213130889982.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28998803131201 - 2¹⁷ = 28998803000129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28998803131231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486215 + ... + 8011171.

It is an arithmetic number, because the mean of its divisors is an integer number (3815646493960).

Almost surely, 2^{28998803131201} is an apocalyptic number.

It is an amenable number.

28998803131201 is a deficient number, since it is larger than the sum of its proper divisors (1526368820479).

28998803131201 is a wasteful number, since it uses less digits than its factorization.

28998803131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5801223.

The product of its (nonzero) digits is 1492992, while the sum is 55.

The spelling of 28998803131201 in words is "twenty-eight trillion, nine hundred ninety-eight billion, eight hundred three million, one hundred thirty-one thousand, two hundred one".