11959143068 has 24 divisors (see below), whose sum is σ = 22238483904. Its totient is φ = 5607795200.

The previous prime is 11959143067. The next prime is 11959143083. The reversal of 11959143068 is 86034195911.

It is a super-2 number, since 2×11959143068² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11959143061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293828 + ... + 332043.

It is an arithmetic number, because the mean of its divisors is an integer number (926603496).

Almost surely, 2^11959143068 is an apocalyptic number.

It is an amenable number.

11959143068 is a deficient number, since it is larger than the sum of its proper divisors (10279340836).

11959143068 is a wasteful number, since it uses less digits than its factorization.

11959143068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626173 (or 626171 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 11959143068 in words is "eleven billion, nine hundred fifty-nine million, one hundred forty-three thousand, sixty-eight".