11663143340 has 24 divisors (see below), whose sum is σ = 24535073472. Its totient is φ = 4657167360.

The previous prime is 11663143333. The next prime is 11663143379. The reversal of 11663143340 is 4334136611.

It is a junction number, because it is equal to n+sod(n) for n = 11663143297 and 11663143306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493796 + ... + 516875.

It is an arithmetic number, because the mean of its divisors is an integer number (1022294728).

Almost surely, 2^11663143340 is an apocalyptic number.

11663143340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11663143340 is an abundant number, since it is smaller than the sum of its proper divisors (12871930132).

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

11663143340 is a wasteful number, since it uses less digits than its factorization.

11663143340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011257 (or 1011255 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 11663143340 its reverse (4334136611), we get a palindrome (15997279951).

The spelling of 11663143340 in words is "eleven billion, six hundred sixty-three million, one hundred forty-three thousand, three hundred forty".