1365565061242 has 16 divisors (see below), whose sum is σ = 2087089341480. Its totient is φ = 669869770752.

The previous prime is 1365565061239. The next prime is 1365565061249. The reversal of 1365565061242 is 2421605655631.

It can be written as a sum of positive squares in 4 ways, for example, as 1180397504521 + 185167556721 = 1086461^2 + 430311^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1365565061192 and 1365565061201.

It is not an unprimeable number, because it can be changed into a prime (1365565061249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2182618 + ... + 2737690.

Almost surely, 2^{1365565061242} is an apocalyptic number.

1365565061242 is a deficient number, since it is larger than the sum of its proper divisors (721524280238).

1365565061242 is a wasteful number, since it uses less digits than its factorization.

1365565061242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578337.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 1365565061242 in words is "one trillion, three hundred sixty-five billion, five hundred sixty-five million, sixty-one thousand, two hundred forty-two".