11911314168 has 128 divisors (see below), whose sum is σ = 37507680000. Its totient is φ = 3472108416.

The previous prime is 11911314167. The next prime is 11911314209. The reversal of 11911314168 is 86141311911.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (11911314167) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 58278 + ... + 164981.

It is an arithmetic number, because the mean of its divisors is an integer number (293028750).

Almost surely, 2^11911314168 is an apocalyptic number.

11911314168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11911314168 is an abundant number, since it is smaller than the sum of its proper divisors (25596365832).

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

11911314168 is a wasteful number, since it uses less digits than its factorization.

11911314168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223306 (or 223296 counting only the distinct ones).

The product of its digits is 5184, while the sum is 36.

The spelling of 11911314168 in words is "eleven billion, nine hundred eleven million, three hundred fourteen thousand, one hundred sixty-eight".