42878306107451 has 2 divisors, whose sum is σ = 42878306107452. Its totient is φ = 42878306107450.

The previous prime is 42878306107447. The next prime is 42878306107573. The reversal of 42878306107451 is 15470160387824.

42878306107451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42878306107451 - 2² = 42878306107447 is a prime.

It is not a weakly prime, because it can be changed into another prime (42878306107151) 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, 21439153053725 + 21439153053726.

It is an arithmetic number, because the mean of its divisors is an integer number (21439153053726).

Almost surely, 2^{42878306107451} is an apocalyptic number.

42878306107451 is a deficient number, since it is larger than the sum of its proper divisors (1).

42878306107451 is an equidigital number, since it uses as much as digits as its factorization.

42878306107451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 42878306107451 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred six million, one hundred seven thousand, four hundred fifty-one".