42511221052454 has 32 divisors (see below), whose sum is σ = 81123984000000. Its totient is φ = 16562813394120.

The previous prime is 42511221052451. The next prime is 42511221052459. The reversal of 42511221052454 is 45425012211524.

42511221052454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42511221052451) 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 in 15 ways as a sum of consecutive naturals, for example, 2816797454 + ... + 2816812545.

It is an arithmetic number, because the mean of its divisors is an integer number (2535124500000).

Almost surely, 2^{42511221052454} is an apocalyptic number.

42511221052454 is a deficient number, since it is larger than the sum of its proper divisors (38612762947546).

42511221052454 is a wasteful number, since it uses less digits than its factorization.

42511221052454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633610033 (or 5633610019 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 38.

Adding to 42511221052454 its reverse (45425012211524), we get a palindrome (87936233263978).

The spelling of 42511221052454 in words is "forty-two trillion, five hundred eleven billion, two hundred twenty-one million, fifty-two thousand, four hundred fifty-four".