11441778396764 has 12 divisors (see below), whose sum is σ = 20321964615624. Its totient is φ = 5635502792304.

The previous prime is 11441778396761. The next prime is 11441778396773. The reversal of 11441778396764 is 46769387714411.

It is a junction number, because it is equal to n+sod(n) for n = 11441778396694 and 11441778396703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11441778396761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21346601219 + ... + 21346601754.

It is an arithmetic number, because the mean of its divisors is an integer number (1693497051302).

Almost surely, 2^{11441778396764} is an apocalyptic number.

It is an amenable number.

11441778396764 is a deficient number, since it is larger than the sum of its proper divisors (8880186218860).

11441778396764 is a wasteful number, since it uses less digits than its factorization.

11441778396764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42693203044 (or 42693203042 counting only the distinct ones).

The product of its digits is 170698752, while the sum is 68.

The spelling of 11441778396764 in words is "eleven trillion, four hundred forty-one billion, seven hundred seventy-eight million, three hundred ninety-six thousand, seven hundred sixty-four".