1365778881696 has 24 divisors (see below), whose sum is σ = 3585169564704. Its totient is φ = 455259627200.

The previous prime is 1365778881653. The next prime is 1365778881767. The reversal of 1365778881696 is 6961888775631.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7113431580 + ... + 7113431771.

It is an arithmetic number, because the mean of its divisors is an integer number (149382065196).

Almost surely, 2^{1365778881696} is an apocalyptic number.

1365778881696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1365778881696 is an abundant number, since it is smaller than the sum of its proper divisors (2219390683008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1365778881696 is a wasteful number, since it uses less digits than its factorization.

1365778881696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14226863364 (or 14226863356 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 75.

The spelling of 1365778881696 in words is "one trillion, three hundred sixty-five billion, seven hundred seventy-eight million, eight hundred eighty-one thousand, six hundred ninety-six".