1042320532555 has 16 divisors (see below), whose sum is σ = 1279961362944. Its totient is φ = 814407965280.

The previous prime is 1042320532549. The next prime is 1042320532559. The reversal of 1042320532555 is 5552350232401.

1042320532555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1042320532555 - 2⁵ = 1042320532523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042320532559) 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, 3087550 + ... + 3408460.

It is an arithmetic number, because the mean of its divisors is an integer number (79997585184).

Almost surely, 2^{1042320532555} is an apocalyptic number.

1042320532555 is a deficient number, since it is larger than the sum of its proper divisors (237640830389).

1042320532555 is a wasteful number, since it uses less digits than its factorization.

1042320532555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336066.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 1042320532555 its reverse (5552350232401), we get a palindrome (6594670764956).

The spelling of 1042320532555 in words is "one trillion, forty-two billion, three hundred twenty million, five hundred thirty-two thousand, five hundred fifty-five".