1123425645650 has 96 divisors (see below), whose sum is σ = 2644064197632. Its totient is φ = 344932315200.

The previous prime is 1123425645581. The next prime is 1123425645679. The reversal of 1123425645650 is 565465243211.

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 47 ways as a sum of consecutive naturals, for example, 1919654 + ... + 2435553.

It is an arithmetic number, because the mean of its divisors is an integer number (27542335392).

Almost surely, 2^{1123425645650} is an apocalyptic number.

1123425645650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123425645650 is an abundant number, since it is smaller than the sum of its proper divisors (1520638551982).

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

1123425645650 is a wasteful number, since it uses less digits than its factorization.

1123425645650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355304 (or 4355299 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 1123425645650 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-five million, six hundred forty-five thousand, six hundred fifty".