1123511728027 has 16 divisors (see below), whose sum is σ = 1212361153920. Its totient is φ = 1035009585792.

The previous prime is 1123511728007. The next prime is 1123511728033. The reversal of 1123511728027 is 7208271153211.

It is not a de Polignac number, because 1123511728027 - 2¹⁵ = 1123511695259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123511728007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42266913 + ... + 42293485.

It is an arithmetic number, because the mean of its divisors is an integer number (75772572120).

Almost surely, 2^{1123511728027} is an apocalyptic number.

1123511728027 is a deficient number, since it is larger than the sum of its proper divisors (88849425893).

1123511728027 is a wasteful number, since it uses less digits than its factorization.

1123511728027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32982.

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 1123511728027 in words is "one trillion, one hundred twenty-three billion, five hundred eleven million, seven hundred twenty-eight thousand, twenty-seven".