42512444421511 has 2 divisors, whose sum is σ = 42512444421512. Its totient is φ = 42512444421510.

The previous prime is 42512444421463. The next prime is 42512444421553. The reversal of 42512444421511 is 11512444421524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42512444421511 - 2⁴³ = 33716351399303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42512444428511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21256222210755 + 21256222210756.

It is an arithmetic number, because the mean of its divisors is an integer number (21256222210756).

Almost surely, 2^{42512444421511} is an apocalyptic number.

42512444421511 is a deficient number, since it is larger than the sum of its proper divisors (1).

42512444421511 is an equidigital number, since it uses as much as digits as its factorization.

42512444421511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204800, while the sum is 40.

The spelling of 42512444421511 in words is "forty-two trillion, five hundred twelve billion, four hundred forty-four million, four hundred twenty-one thousand, five hundred eleven".