42512455043 has 2 divisors, whose sum is σ = 42512455044. Its totient is φ = 42512455042.

The previous prime is 42512455031. The next prime is 42512455057. The reversal of 42512455043 is 34055421524.

42512455043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42512455043 - 2³² = 38217487747 is a prime.

It is a super-2 number, since 2×42512455043² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42512454994 and 42512455012.

It is not a weakly prime, because it can be changed into another prime (42512455093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21256227521 + 21256227522.

It is an arithmetic number, because the mean of its divisors is an integer number (21256227522).

Almost surely, 2^42512455043 is an apocalyptic number.

42512455043 is a deficient number, since it is larger than the sum of its proper divisors (1).

42512455043 is an equidigital number, since it uses as much as digits as its factorization.

42512455043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 42512455043 its reverse (34055421524), we get a palindrome (76567876567).

The spelling of 42512455043 in words is "forty-two billion, five hundred twelve million, four hundred fifty-five thousand, forty-three".