857012103503 has 2 divisors, whose sum is σ = 857012103504. Its totient is φ = 857012103502.

The previous prime is 857012103481. The next prime is 857012103527. The reversal of 857012103503 is 305301210758.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 857012103503 - 2¹⁴ = 857012087119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (857012103803) 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, 428506051751 + 428506051752.

It is an arithmetic number, because the mean of its divisors is an integer number (428506051752).

Almost surely, 2^857012103503 is an apocalyptic number.

857012103503 is a deficient number, since it is larger than the sum of its proper divisors (1).

857012103503 is an equidigital number, since it uses as much as digits as its factorization.

857012103503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 857012103503 in words is "eight hundred fifty-seven billion, twelve million, one hundred three thousand, five hundred three".