11899381469184 has 260 divisors, whose sum is σ = 38778446852640. Its totient is φ = 3605872066560.

The previous prime is 11899381469147. The next prime is 11899381469189. The reversal of 11899381469184 is 48196418399811.

11899381469184 is a `hidden beast` number, since 1 + 1 + 8 + 9 + 9 + 3 + 81 + 469 + 1 + 84 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899381469189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2019277 + ... + 5279795.

Almost surely, 2^{11899381469184} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11899381469184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19389223426320).

11899381469184 is an abundant number, since it is smaller than the sum of its proper divisors (26879065383456).

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

11899381469184 is an equidigital number, since it uses as much as digits as its factorization.

11899381469184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260566 (or 3260535 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 72.

The spelling of 11899381469184 in words is "eleven trillion, eight hundred ninety-nine billion, three hundred eighty-one million, four hundred sixty-nine thousand, one hundred eighty-four".