15453421434041 has 4 divisors (see below), whose sum is σ = 15453430066932. Its totient is φ = 15453412801152.

The previous prime is 15453421433987. The next prime is 15453421434043. The reversal of 15453421434041 is 14043412435451.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7932137124025 + 7521284310016 = 2816405^2 + 2742496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15453421434041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15453421434041.

It is not an unprimeable number, because it can be changed into a prime (15453421434043) 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 3 ways as a sum of consecutive naturals, for example, 515936 + ... + 5583281.

It is an arithmetic number, because the mean of its divisors is an integer number (3863357516733).

Almost surely, 2^{15453421434041} is an apocalyptic number.

It is an amenable number.

15453421434041 is a deficient number, since it is larger than the sum of its proper divisors (8632891).

15453421434041 is an equidigital number, since it uses as much as digits as its factorization.

15453421434041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8632890.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 15453421434041 its reverse (14043412435451), we get a palindrome (29496833869492).

The spelling of 15453421434041 in words is "fifteen trillion, four hundred fifty-three billion, four hundred twenty-one million, four hundred thirty-four thousand, forty-one".