82511000203 has 2 divisors, whose sum is σ = 82511000204. Its totient is φ = 82511000202.

The previous prime is 82511000171. The next prime is 82511000249. The reversal of 82511000203 is 30200011528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82511000203 - 2⁵ = 82511000171 is a prime.

It is not a weakly prime, because it can be changed into another prime (82511300203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41255500101 + 41255500102.

It is an arithmetic number, because the mean of its divisors is an integer number (41255500102).

Almost surely, 2^82511000203 is an apocalyptic number.

82511000203 is a deficient number, since it is larger than the sum of its proper divisors (1).

82511000203 is an equidigital number, since it uses as much as digits as its factorization.

82511000203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The spelling of 82511000203 in words is "eighty-two billion, five hundred eleven million, two hundred three", and thus it is an aban number.