451103020415 has 4 divisors (see below), whose sum is σ = 541323624504. Its totient is φ = 360882416328.

The previous prime is 451103020409. The next prime is 451103020421. The reversal of 451103020415 is 514020301154.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (451103020409) and next prime (451103020421).

It is a cyclic number.

It is not a de Polignac number, because 451103020415 - 2⁴ = 451103020399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45110302037 + ... + 45110302046.

It is an arithmetic number, because the mean of its divisors is an integer number (135330906126).

Almost surely, 2^451103020415 is an apocalyptic number.

451103020415 is a deficient number, since it is larger than the sum of its proper divisors (90220604089).

451103020415 is an equidigital number, since it uses as much as digits as its factorization.

451103020415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90220604088.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 451103020415 its reverse (514020301154), we get a palindrome (965123321569).

The spelling of 451103020415 in words is "four hundred fifty-one billion, one hundred three million, twenty thousand, four hundred fifteen".