11669991761376 has 192 divisors, whose sum is σ = 38584993708800. Its totient is φ = 3401778912768.

The previous prime is 11669991761297. The next prime is 11669991761401. The reversal of 11669991761376 is 67316719996611.

11669991761376 is a `hidden beast` number, since 1 + 16 + 6 + 99 + 91 + 76 + 1 + 376 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27128566 + ... + 27555381.

It is an arithmetic number, because the mean of its divisors is an integer number (200963508900).

Almost surely, 2^{11669991761376} is an apocalyptic number.

11669991761376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11669991761376 is an abundant number, since it is smaller than the sum of its proper divisors (26915001947424).

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

11669991761376 is a wasteful number, since it uses less digits than its factorization.

11669991761376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54683998 (or 54683984 counting only the distinct ones).

The product of its digits is 138883248, while the sum is 72.

The spelling of 11669991761376 in words is "eleven trillion, six hundred sixty-nine billion, nine hundred ninety-one million, seven hundred sixty-one thousand, three hundred seventy-six".