1044555541225 has 27 divisors (see below), whose sum is σ = 1506769674501. Its totient is φ = 716242128000.

The previous prime is 1044555541193. The next prime is 1044555541229. The reversal of 1044555541225 is 5221455554401.

The square root of 1044555541225 is 1022035.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 110263179481 + 934292361744 = 332059^2 + 966588^2 .

It is not a de Polignac number, because 1044555541225 - 2⁵ = 1044555541193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1044555541229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 35756625 + ... + 35785825.

Almost surely, 2^{1044555541225} is an apocalyptic number.

1044555541225 is the 1022035-th square number.

1044555541225 is the 511018-th centered octagonal number.

It is an amenable number.

1044555541225 is a deficient number, since it is larger than the sum of its proper divisors (462214133276).

1044555541225 is an frugal number, since it uses more digits than its factorization.

1044555541225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58426 (or 29213 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 43.

The spelling of 1044555541225 in words is "one trillion, forty-four billion, five hundred fifty-five million, five hundred forty-one thousand, two hundred twenty-five".