1045541015289 has 21 divisors (see below), whose sum is σ = 1567635810709. Its totient is φ = 697008938220.

The previous prime is 1045541015279. The next prime is 1045541015347. The reversal of 1045541015289 is 9825101455401.

The square root of 1045541015289 is 1022517.

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

1045541015289 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 5 + 410 + 152 + 89 = 666.

It is not a de Polignac number, because 1045541015289 - 2¹⁷ = 1045540884217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045541015279) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 27589024 + ... + 27626894.

Almost surely, 2^{1045541015289} is an apocalyptic number.

1045541015289 is the 1022517-th square number.

1045541015289 is the 511259-th centered octagonal number.

It is an amenable number.

1045541015289 is a deficient number, since it is larger than the sum of its proper divisors (522094795420).

1045541015289 is an frugal number, since it uses more digits than its factorization.

1045541015289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75760 (or 37874 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The spelling of 1045541015289 in words is "one trillion, forty-five billion, five hundred forty-one million, fifteen thousand, two hundred eighty-nine".