451243011415 has 16 divisors (see below), whose sum is σ = 619103714112. Its totient is φ = 309295701504.

The previous prime is 451243011413. The next prime is 451243011421. The reversal of 451243011415 is 514110342154.

It is a cyclic number.

It is not a de Polignac number, because 451243011415 - 2¹ = 451243011413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451243011413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2582484 + ... + 2751673.

It is an arithmetic number, because the mean of its divisors is an integer number (38693982132).

Almost surely, 2^451243011415 is an apocalyptic number.

451243011415 is a deficient number, since it is larger than the sum of its proper divisors (167860702697).

451243011415 is a wasteful number, since it uses less digits than its factorization.

451243011415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336586.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 451243011415 its reverse (514110342154), we get a palindrome (965353353569).

The spelling of 451243011415 in words is "four hundred fifty-one billion, two hundred forty-three million, eleven thousand, four hundred fifteen".