1155321225323 has 4 divisors (see below), whose sum is σ = 1163075059200. Its totient is φ = 1147567391448.

The previous prime is 1155321225271. The next prime is 1155321225341. The reversal of 1155321225323 is 3235221235511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1155321225323 - 2¹⁸ = 1155320963179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155321225353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3876916715 + ... + 3876917012.

It is an arithmetic number, because the mean of its divisors is an integer number (290768764800).

Almost surely, 2^{1155321225323} is an apocalyptic number.

1155321225323 is a deficient number, since it is larger than the sum of its proper divisors (7753833877).

1155321225323 is an equidigital number, since it uses as much as digits as its factorization.

1155321225323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7753833876.

The product of its digits is 54000, while the sum is 35.

The spelling of 1155321225323 in words is "one trillion, one hundred fifty-five billion, three hundred twenty-one million, two hundred twenty-five thousand, three hundred twenty-three".