28143111656253 has 8 divisors (see below), whose sum is σ = 40935435136416. Its totient is φ = 17056431306800.

The previous prime is 28143111656249. The next prime is 28143111656281. The reversal of 28143111656253 is 35265611134182.

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 28143111656253 - 2² = 28143111656249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28143111656203) 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, 426410782638 + ... + 426410782703.

It is an arithmetic number, because the mean of its divisors is an integer number (5116929392052).

Almost surely, 2^{28143111656253} is an apocalyptic number.

It is an amenable number.

28143111656253 is a deficient number, since it is larger than the sum of its proper divisors (12792323480163).

28143111656253 is a wasteful number, since it uses less digits than its factorization.

28143111656253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852821565355.

The product of its digits is 1036800, while the sum is 48.

The spelling of 28143111656253 in words is "twenty-eight trillion, one hundred forty-three billion, one hundred eleven million, six hundred fifty-six thousand, two hundred fifty-three".