1361960105499 has 12 divisors (see below), whose sum is σ = 2248315094896. Its totient is φ = 778262917392.

The previous prime is 1361960105479. The next prime is 1361960105521. The reversal of 1361960105499 is 9945010691631.

It is a happy number.

1361960105499 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 96 + 0 + 1 + 0 + 549 + 9 = 666.

It is not a de Polignac number, because 1361960105499 - 2⁸ = 1361960105243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361960105479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10809207124 + ... + 10809207249.

Almost surely, 2^{1361960105499} is an apocalyptic number.

1361960105499 is a deficient number, since it is larger than the sum of its proper divisors (886354989397).

1361960105499 is a wasteful number, since it uses less digits than its factorization.

1361960105499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21618414386 (or 21618414383 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The spelling of 1361960105499 in words is "one trillion, three hundred sixty-one billion, nine hundred sixty million, one hundred five thousand, four hundred ninety-nine".