1123168995860 has 12 divisors (see below), whose sum is σ = 2358654891348. Its totient is φ = 449267598336.

The previous prime is 1123168995841. The next prime is 1123168995887. The reversal of 1123168995860 is 685998613211.

It can be written as a sum of positive squares in 2 ways, for example, as 586222985104 + 536946010756 = 765652^2 + 732766^2 .

It is a super-2 number, since 2×1123168995860² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123168995860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28079224877 + ... + 28079224916.

It is an arithmetic number, because the mean of its divisors is an integer number (196554574279).

Almost surely, 2^{1123168995860} is an apocalyptic number.

1123168995860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123168995860 is an abundant number, since it is smaller than the sum of its proper divisors (1235485895488).

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

1123168995860 is a wasteful number, since it uses less digits than its factorization.

1123168995860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56158449802 (or 56158449800 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 59.

The spelling of 1123168995860 in words is "one trillion, one hundred twenty-three billion, one hundred sixty-eight million, nine hundred ninety-five thousand, eight hundred sixty".