42624025326121 has 2 divisors, whose sum is σ = 42624025326122. Its totient is φ = 42624025326120.

The previous prime is 42624025326101. The next prime is 42624025326137. The reversal of 42624025326121 is 12162352042624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42526049440000 + 97975886121 = 6521200^2 + 313011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42624025326121 is a prime.

It is not a weakly prime, because it can be changed into another prime (42624025326101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21312012663060 + 21312012663061.

It is an arithmetic number, because the mean of its divisors is an integer number (21312012663061).

Almost surely, 2^{42624025326121} is an apocalyptic number.

It is an amenable number.

42624025326121 is a deficient number, since it is larger than the sum of its proper divisors (1).

42624025326121 is an equidigital number, since it uses as much as digits as its factorization.

42624025326121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 42624025326121 its reverse (12162352042624), we get a palindrome (54786377368745).

The spelling of 42624025326121 in words is "forty-two trillion, six hundred twenty-four billion, twenty-five million, three hundred twenty-six thousand, one hundred twenty-one".