1486768087561 has 9 divisors (see below), whose sum is σ = 1489478713671. Its totient is φ = 1484062392072.

The previous prime is 1486768087531. The next prime is 1486768087577. The reversal of 1486768087561 is 1657808676841.

The square root of 1486768087561 is 1219331.

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., 1279783125625 + 206984961936 = 1131275^2 + 454956^2 .

It is not a de Polignac number, because 1486768087561 - 2⁷ = 1486768087433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1486768087531) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1215672396 + ... + 1215673618.

Almost surely, 2^{1486768087561} is an apocalyptic number.

1486768087561 is the 1219331-st square number.

1486768087561 is the 609666-th centered octagonal number.

It is an amenable number.

1486768087561 is a deficient number, since it is larger than the sum of its proper divisors (2710626110).

1486768087561 is an frugal number, since it uses more digits than its factorization.

1486768087561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440 (or 2220 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 67.

The spelling of 1486768087561 in words is "one trillion, four hundred eighty-six billion, seven hundred sixty-eight million, eighty-seven thousand, five hundred sixty-one".