11374771366640 has 80 divisors (see below), whose sum is σ = 28867074710400. Its totient is φ = 4133912290560.

The previous prime is 11374771366627. The next prime is 11374771366643. The reversal of 11374771366640 is 4666317747311.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11374771366643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2162090 + ... + 5236809.

It is an arithmetic number, because the mean of its divisors is an integer number (360838433880).

Almost surely, 2^{11374771366640} is an apocalyptic number.

11374771366640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11374771366640 is an abundant number, since it is smaller than the sum of its proper divisors (17492303343760).

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

11374771366640 is a wasteful number, since it uses less digits than its factorization.

11374771366640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400670 (or 7400664 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 56.

The spelling of 11374771366640 in words is "eleven trillion, three hundred seventy-four billion, seven hundred seventy-one million, three hundred sixty-six thousand, six hundred forty".