1123887885760 has 56 divisors (see below), whose sum is σ = 2680711495056. Its totient is φ = 448807065600.

The previous prime is 1123887885739. The next prime is 1123887885787. The reversal of 1123887885760 is 675887883211.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a junction number, because it is equal to n+sod(n) for n = 1123887885692 and 1123887885701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2729602 + ... + 3114241.

It is an arithmetic number, because the mean of its divisors is an integer number (47869848126).

Almost surely, 2^{1123887885760} is an apocalyptic number.

1123887885760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123887885760 is an abundant number, since it is smaller than the sum of its proper divisors (1556823609296).

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

1123887885760 is an equidigital number, since it uses as much as digits as its factorization.

1123887885760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5844461 (or 5844451 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 64.

The spelling of 1123887885760 in words is "one trillion, one hundred twenty-three billion, eight hundred eighty-seven million, eight hundred eighty-five thousand, seven hundred sixty".