1123635140044 has 24 divisors (see below), whose sum is σ = 2007660614400. Its totient is φ = 550118245776.

The previous prime is 1123635140041. The next prime is 1123635140051. The reversal of 1123635140044 is 4400415363211.

It is a junction number, because it is equal to n+sod(n) for n = 1123635139991 and 1123635140009.

It is not an unprimeable number, because it can be changed into a prime (1123635140041) 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 7 ways as a sum of consecutive naturals, for example, 12508144 + ... + 12597655.

It is an arithmetic number, because the mean of its divisors is an integer number (83652525600).

Almost surely, 2^{1123635140044} is an apocalyptic number.

It is an amenable number.

1123635140044 is a deficient number, since it is larger than the sum of its proper divisors (884025474356).

1123635140044 is a wasteful number, since it uses less digits than its factorization.

1123635140044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25106037 (or 25106035 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 1123635140044 in words is "one trillion, one hundred twenty-three billion, six hundred thirty-five million, one hundred forty thousand, forty-four".