25122042340403 has 2 divisors, whose sum is σ = 25122042340404. Its totient is φ = 25122042340402.

The previous prime is 25122042340387. The next prime is 25122042340477. The reversal of 25122042340403 is 30404324022152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25122042340403 - 2⁴ = 25122042340387 is a prime.

It is a super-2 number, since 2×25122042340403² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25122042340403.

It is not a weakly prime, because it can be changed into another prime (25122042340103) 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, 12561021170201 + 12561021170202.

It is an arithmetic number, because the mean of its divisors is an integer number (12561021170202).

Almost surely, 2^{25122042340403} is an apocalyptic number.

25122042340403 is a deficient number, since it is larger than the sum of its proper divisors (1).

25122042340403 is an equidigital number, since it uses as much as digits as its factorization.

25122042340403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 25122042340403 its reverse (30404324022152), we get a palindrome (55526366362555).

The spelling of 25122042340403 in words is "twenty-five trillion, one hundred twenty-two billion, forty-two million, three hundred forty thousand, four hundred three".