11914463808 has 84 divisors (see below), whose sum is σ = 36777656188. Its totient is φ = 3665986560.

The previous prime is 11914463801. The next prime is 11914463861. The reversal of 11914463808 is 80836441911.

11914463808 is a `hidden beast` number, since 1 + 1 + 9 + 1 + 4 + 4 + 638 + 0 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1719926784 + 10194537024 = 41472^2 + 100968^2 .

It is a super-3 number, since 3×11914463808³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11914463801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 788083 + ... + 803058.

Almost surely, 2^11914463808 is an apocalyptic number.

11914463808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11914463808 is an abundant number, since it is smaller than the sum of its proper divisors (24863192380).

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

11914463808 is a wasteful number, since it uses less digits than its factorization.

11914463808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591172 (or 1591159 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 11914463808 in words is "eleven billion, nine hundred fourteen million, four hundred sixty-three thousand, eight hundred eight".