28081833151 has 2 divisors, whose sum is σ = 28081833152. Its totient is φ = 28081833150.

The previous prime is 28081833149. The next prime is 28081833179. The reversal of 28081833151 is 15133818082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28081833151 - 2¹ = 28081833149 is a prime.

Together with 28081833149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28081833121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14040916575 + 14040916576.

It is an arithmetic number, because the mean of its divisors is an integer number (14040916576).

Almost surely, 2^28081833151 is an apocalyptic number.

28081833151 is a deficient number, since it is larger than the sum of its proper divisors (1).

28081833151 is an equidigital number, since it uses as much as digits as its factorization.

28081833151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 28081833151 in words is "twenty-eight billion, eighty-one million, eight hundred thirty-three thousand, one hundred fifty-one".