1123845860061 has 64 divisors (see below), whose sum is σ = 1710333757440. Its totient is φ = 729165490560.

The previous prime is 1123845859999. The next prime is 1123845860087. The reversal of 1123845860061 is 1600685483211.

1123845860061 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 8 + 4 + 586 + 0 + 0 + 61 = 666.

It is not a de Polignac number, because 1123845860061 - 2³¹ = 1121698376413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123845859989 and 1123845860016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123845865061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40205256 + ... + 40233198.

It is an arithmetic number, because the mean of its divisors is an integer number (26723964960).

Almost surely, 2^{1123845860061} is an apocalyptic number.

It is an amenable number.

1123845860061 is a deficient number, since it is larger than the sum of its proper divisors (586487897379).

1123845860061 is a wasteful number, since it uses less digits than its factorization.

1123845860061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28303 (or 28297 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 1123845860061 in words is "one trillion, one hundred twenty-three billion, eight hundred forty-five million, eight hundred sixty thousand, sixty-one".