42451423041211 has 2 divisors, whose sum is σ = 42451423041212. Its totient is φ = 42451423041210.

The previous prime is 42451423041193. The next prime is 42451423041217. The reversal of 42451423041211 is 11214032415424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42451423041211 - 2⁹ = 42451423040699 is a prime.

It is not a weakly prime, because it can be changed into another prime (42451423041217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21225711520605 + 21225711520606.

It is an arithmetic number, because the mean of its divisors is an integer number (21225711520606).

Almost surely, 2^{42451423041211} is an apocalyptic number.

42451423041211 is a deficient number, since it is larger than the sum of its proper divisors (1).

42451423041211 is an equidigital number, since it uses as much as digits as its factorization.

42451423041211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 34.

Adding to 42451423041211 its reverse (11214032415424), we get a palindrome (53665455456635).

The spelling of 42451423041211 in words is "forty-two trillion, four hundred fifty-one billion, four hundred twenty-three million, forty-one thousand, two hundred eleven".