1154341806409 has 9 divisors (see below), whose sum is σ = 1268834976199. Its totient is φ = 1049390898160.

The previous prime is 1154341806379. The next prime is 1154341806419. The reversal of 1154341806409 is 9046081434511.

The square root of 1154341806409 is 1074403.

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

It can be written as a sum of positive squares in only one way, i.e., 1025368886025 + 128972920384 = 1012605^2 + 359128^2 .

It is not a de Polignac number, because 1154341806409 - 2⁵ = 1154341806377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154341806419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11769597 + ... + 11867269.

Almost surely, 2^{1154341806409} is an apocalyptic number.

1154341806409 is the 1074403-rd square number.

1154341806409 is the 537202-nd centered octagonal number.

It is an amenable number.

1154341806409 is a deficient number, since it is larger than the sum of its proper divisors (114493169790).

1154341806409 is an frugal number, since it uses more digits than its factorization.

1154341806409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195368 (or 97684 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 1154341806409 in words is "one trillion, one hundred fifty-four billion, three hundred forty-one million, eight hundred six thousand, four hundred nine".