42125310547 has 2 divisors, whose sum is σ = 42125310548. Its totient is φ = 42125310546.

The previous prime is 42125310523. The next prime is 42125310569. The reversal of 42125310547 is 74501352124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42125310547 - 2¹¹ = 42125308499 is a prime.

It is not a weakly prime, because it can be changed into another prime (42125313547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21062655273 + 21062655274.

It is an arithmetic number, because the mean of its divisors is an integer number (21062655274).

Almost surely, 2^42125310547 is an apocalyptic number.

42125310547 is a deficient number, since it is larger than the sum of its proper divisors (1).

42125310547 is an equidigital number, since it uses as much as digits as its factorization.

42125310547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 42125310547 in words is "forty-two billion, one hundred twenty-five million, three hundred ten thousand, five hundred forty-seven".