42878535238103 has 2 divisors, whose sum is σ = 42878535238104. Its totient is φ = 42878535238102.

The previous prime is 42878535237997. The next prime is 42878535238109. The reversal of 42878535238103 is 30183253587824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42878535238103 - 2³⁰ = 42877461496279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42878535238109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21439267619051 + 21439267619052.

It is an arithmetic number, because the mean of its divisors is an integer number (21439267619052).

Almost surely, 2^{42878535238103} is an apocalyptic number.

42878535238103 is a deficient number, since it is larger than the sum of its proper divisors (1).

42878535238103 is an equidigital number, since it uses as much as digits as its factorization.

42878535238103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38707200, while the sum is 59.

The spelling of 42878535238103 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred thirty-five million, two hundred thirty-eight thousand, one hundred three".