1188115612268 has 96 divisors (see below), whose sum is σ = 2346398853120. Its totient is φ = 522788878080.

The previous prime is 1188115612261. The next prime is 1188115612291. The reversal of 1188115612268 is 8622165118811.

It is a happy number.

It is a super-2 number, since 2×1188115612268² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1188115612261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22239773 + ... + 22293131.

It is an arithmetic number, because the mean of its divisors is an integer number (24441654720).

Almost surely, 2^{1188115612268} is an apocalyptic number.

It is an amenable number.

1188115612268 is a deficient number, since it is larger than the sum of its proper divisors (1158283240852).

1188115612268 is a wasteful number, since it uses less digits than its factorization.

1188115612268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53647 (or 53645 counting only the distinct ones).

The product of its digits is 368640, while the sum is 50.

The spelling of 1188115612268 in words is "one trillion, one hundred eighty-eight billion, one hundred fifteen million, six hundred twelve thousand, two hundred sixty-eight".