1123860863268 has 216 divisors, whose sum is σ = 3366077839488. Its totient is φ = 314061264000.

The previous prime is 1123860863249. The next prime is 1123860863287. The reversal of 1123860863268 is 8623680683211.

1123860863268 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 8 + 608 + 6 + 3 + 26 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1123860863249) and next prime (1123860863287).

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 71 ways as a sum of consecutive naturals, for example, 61772053 + ... + 61790243.

Almost surely, 2^{1123860863268} is an apocalyptic number.

1123860863268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123860863268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1683038919744).

1123860863268 is an abundant number, since it is smaller than the sum of its proper divisors (2242216976220).

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

1123860863268 is a wasteful number, since it uses less digits than its factorization.

1123860863268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19327 (or 19311 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 1123860863268 in words is "one trillion, one hundred twenty-three billion, eight hundred sixty million, eight hundred sixty-three thousand, two hundred sixty-eight".