1123520554401 has 32 divisors (see below), whose sum is σ = 1715065574400. Its totient is φ = 640874631744.

The previous prime is 1123520554369. The next prime is 1123520554451. The reversal of 1123520554401 is 1044550253211.

It is not a de Polignac number, because 1123520554401 - 2⁵ = 1123520554369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123520554451) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 41532186 + ... + 41559228.

It is an arithmetic number, because the mean of its divisors is an integer number (53595799200).

Almost surely, 2^{1123520554401} is an apocalyptic number.

It is an amenable number.

1123520554401 is a deficient number, since it is larger than the sum of its proper divisors (591545019999).

1123520554401 is a wasteful number, since it uses less digits than its factorization.

1123520554401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30485.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 1123520554401 in words is "one trillion, one hundred twenty-three billion, five hundred twenty million, five hundred fifty-four thousand, four hundred one".