1045204451205 has 16 divisors (see below), whose sum is σ = 1672348461504. Its totient is φ = 557435260800.

The previous prime is 1045204451201. The next prime is 1045204451219. The reversal of 1045204451205 is 5021544025401.

It is a happy number.

It is not a de Polignac number, because 1045204451205 - 2² = 1045204451201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045204451201) 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, 901617 + ... + 1703913.

It is an arithmetic number, because the mean of its divisors is an integer number (104521778844).

Almost surely, 2^{1045204451205} is an apocalyptic number.

1045204451205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045204451205 is a deficient number, since it is larger than the sum of its proper divisors (627144010299).

1045204451205 is an equidigital number, since it uses as much as digits as its factorization.

1045204451205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889156.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 1045204451205 its reverse (5021544025401), we get a palindrome (6066748476606).

The spelling of 1045204451205 in words is "one trillion, forty-five billion, two hundred four million, four hundred fifty-one thousand, two hundred five".