42125305113403 has 2 divisors, whose sum is σ = 42125305113404. Its totient is φ = 42125305113402.

The previous prime is 42125305113373. The next prime is 42125305113427. The reversal of 42125305113403 is 30431150352124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42125305113403 - 2⁵ = 42125305113371 is a prime.

It is not a weakly prime, because it can be changed into another prime (42125305113103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21062652556701 + 21062652556702.

It is an arithmetic number, because the mean of its divisors is an integer number (21062652556702).

Almost surely, 2^{42125305113403} is an apocalyptic number.

42125305113403 is a deficient number, since it is larger than the sum of its proper divisors (1).

42125305113403 is an equidigital number, since it uses as much as digits as its factorization.

42125305113403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 42125305113403 its reverse (30431150352124), we get a palindrome (72556455465527).

The spelling of 42125305113403 in words is "forty-two trillion, one hundred twenty-five billion, three hundred five million, one hundred thirteen thousand, four hundred three".