28155036303 has 6 divisors (see below), whose sum is σ = 40668385784. Its totient is φ = 18770024196.

The previous prime is 28155036277. The next prime is 28155036311. The reversal of 28155036303 is 30363055182.

28155036303 is a `hidden beast` number, since 2 + 8 + 15 + 5 + 0 + 3 + 630 + 3 = 666.

It is not a de Polignac number, because 28155036303 - 2¹² = 28155032207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28155036313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1564168675 + ... + 1564168692.

Almost surely, 2^28155036303 is an apocalyptic number.

28155036303 is a deficient number, since it is larger than the sum of its proper divisors (12513349481).

28155036303 is a wasteful number, since it uses less digits than its factorization.

28155036303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128337373 (or 3128337370 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 28155036303 in words is "twenty-eight billion, one hundred fifty-five million, thirty-six thousand, three hundred three".