11819631973608 has 24 divisors (see below), whose sum is σ = 32011503262050. Its totient is φ = 3939877324512.

The previous prime is 11819631973607. The next prime is 11819631973609. The reversal of 11819631973608 is 80637913691811.

11819631973608 is a `hidden beast` number, since 1 + 1 + 8 + 1 + 9 + 6 + 3 + 19 + 7 + 3 + 608 = 666.

It is an interprime number because it is at equal distance from previous prime (11819631973607) and next prime (11819631973609).

It can be written as a sum of positive squares in only one way, i.e., 9110243549124 + 2709388424484 = 3018318^2 + 1646022^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (11819631973607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82080777523 + ... + 82080777666.

Almost surely, 2^{11819631973608} is an apocalyptic number.

11819631973608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11819631973608 is an abundant number, since it is smaller than the sum of its proper divisors (20191871288442).

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

11819631973608 is a wasteful number, since it uses less digits than its factorization.

11819631973608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164161555201 (or 164161555194 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 11819631973608 in words is "eleven trillion, eight hundred nineteen billion, six hundred thirty-one million, nine hundred seventy-three thousand, six hundred eight".