1045204451241 has 4 divisors (see below), whose sum is σ = 1393605934992. Its totient is φ = 696802967492.

The previous prime is 1045204451219. The next prime is 1045204451257. The reversal of 1045204451241 is 1421544025401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1045204451241 - 2¹¹ = 1045204449193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045204451201) 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, 174200741871 + ... + 174200741876.

It is an arithmetic number, because the mean of its divisors is an integer number (348401483748).

Almost surely, 2^{1045204451241} is an apocalyptic number.

It is an amenable number.

1045204451241 is a deficient number, since it is larger than the sum of its proper divisors (348401483751).

1045204451241 is an equidigital number, since it uses as much as digits as its factorization.

1045204451241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348401483750.

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 1045204451241 its reverse (1421544025401), we get a palindrome (2466748476642).

The spelling of 1045204451241 in words is "one trillion, forty-five billion, two hundred four million, four hundred fifty-one thousand, two hundred forty-one".