11909144684736 has 168 divisors, whose sum is σ = 37910973921360. Its totient is φ = 3664352120832.

The previous prime is 11909144684677. The next prime is 11909144684791. The reversal of 11909144684736 is 63748644190911.

11909144684736 is a `hidden beast` number, since 1 + 1 + 90 + 9 + 14 + 4 + 68 + 473 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20098105 + ... + 20682168.

Almost surely, 2^{11909144684736} is an apocalyptic number.

11909144684736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11909144684736 is an abundant number, since it is smaller than the sum of its proper divisors (26001829236624).

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

11909144684736 is a wasteful number, since it uses less digits than its factorization.

11909144684736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40780320 (or 40780291 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 11909144684736 in words is "eleven trillion, nine hundred nine billion, one hundred forty-four million, six hundred eighty-four thousand, seven hundred thirty-six".