1123666610432 has 18 divisors (see below), whose sum is σ = 2242943898678. Its totient is φ = 561833305088.

The previous prime is 1123666610399. The next prime is 1123666610447. The reversal of 1123666610432 is 2340166663211.

It can be written as a sum of positive squares in only one way, i.e., 695929682176 + 427736928256 = 834224^2 + 654016^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1123666610432.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2194661093 + ... + 2194661604.

It is an arithmetic number, because the mean of its divisors is an integer number (124607994371).

Almost surely, 2^{1123666610432} is an apocalyptic number.

It is an amenable number.

1123666610432 is a deficient number, since it is larger than the sum of its proper divisors (1119277288246).

1123666610432 is an frugal number, since it uses more digits than its factorization.

1123666610432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389322713 (or 4389322699 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 1123666610432 in words is "one trillion, one hundred twenty-three billion, six hundred sixty-six million, six hundred ten thousand, four hundred thirty-two".