28383751125133 has 2 divisors, whose sum is σ = 28383751125134. Its totient is φ = 28383751125132.

The previous prime is 28383751125101. The next prime is 28383751125221. The reversal of 28383751125133 is 33152115738382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21593698197604 + 6790052927529 = 4646902^2 + 2605773^2 .

It is a cyclic number.

It is not a de Polignac number, because 28383751125133 - 2⁵ = 28383751125101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28383751125733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14191875562566 + 14191875562567.

It is an arithmetic number, because the mean of its divisors is an integer number (14191875562567).

Almost surely, 2^{28383751125133} is an apocalyptic number.

It is an amenable number.

28383751125133 is a deficient number, since it is larger than the sum of its proper divisors (1).

28383751125133 is an equidigital number, since it uses as much as digits as its factorization.

28383751125133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 52.

The spelling of 28383751125133 in words is "twenty-eight trillion, three hundred eighty-three billion, seven hundred fifty-one million, one hundred twenty-five thousand, one hundred thirty-three".