28143755301 has 12 divisors (see below), whose sum is σ = 39603956352. Its totient is φ = 17775002664.

The previous prime is 28143755209. The next prime is 28143755317. The reversal of 28143755301 is 10355734182.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-28143755301 is a prime.

It is a super-3 number, since 3×28143755301³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28143755301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28143755401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12992341 + ... + 12994506.

It is an arithmetic number, because the mean of its divisors is an integer number (3300329696).

Almost surely, 2^28143755301 is an apocalyptic number.

It is an amenable number.

28143755301 is a deficient number, since it is larger than the sum of its proper divisors (11460201051).

28143755301 is a wasteful number, since it uses less digits than its factorization.

28143755301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25986888 (or 25986869 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 28143755301 in words is "twenty-eight billion, one hundred forty-three million, seven hundred fifty-five thousand, three hundred one".