451021103043 has 24 divisors (see below), whose sum is σ = 704575650240. Its totient is φ = 255872186640.

The previous prime is 451021102981. The next prime is 451021103047. The reversal of 451021103043 is 340301120154.

It is a happy number.

It is not a de Polignac number, because 451021103043 - 2²² = 451016908739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451021103047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11016153 + ... + 11057018.

It is an arithmetic number, because the mean of its divisors is an integer number (29357318760).

Almost surely, 2^451021103043 is an apocalyptic number.

451021103043 is a deficient number, since it is larger than the sum of its proper divisors (253554547197).

451021103043 is a wasteful number, since it uses less digits than its factorization.

451021103043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22073327 (or 22073320 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 451021103043 its reverse (340301120154), we get a palindrome (791322223197).

The spelling of 451021103043 in words is "four hundred fifty-one billion, twenty-one million, one hundred three thousand, forty-three".