57138021103 has 2 divisors, whose sum is σ = 57138021104. Its totient is φ = 57138021102.

The previous prime is 57138021077. The next prime is 57138021209. The reversal of 57138021103 is 30112083175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57138021103 - 2⁹ = 57138020591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57138021803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28569010551 + 28569010552.

It is an arithmetic number, because the mean of its divisors is an integer number (28569010552).

Almost surely, 2^57138021103 is an apocalyptic number.

57138021103 is a deficient number, since it is larger than the sum of its proper divisors (1).

57138021103 is an equidigital number, since it uses as much as digits as its factorization.

57138021103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 57138021103 in words is "fifty-seven billion, one hundred thirty-eight million, twenty-one thousand, one hundred three".