11293920121840 has 40 divisors (see below), whose sum is σ = 26258507361360. Its totient is φ = 4517543433216.

The previous prime is 11293920121817. The next prime is 11293920121843. The reversal of 11293920121840 is 4812102939211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11293920121843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23959951 + ... + 24426769.

It is an arithmetic number, because the mean of its divisors is an integer number (656462684034).

Almost surely, 2^{11293920121840} is an apocalyptic number.

11293920121840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11293920121840 is an abundant number, since it is smaller than the sum of its proper divisors (14964587239520).

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

11293920121840 is a wasteful number, since it uses less digits than its factorization.

11293920121840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769249 (or 769243 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 11293920121840 in words is "eleven trillion, two hundred ninety-three billion, nine hundred twenty million, one hundred twenty-one thousand, eight hundred forty".