1323155354211 has 24 divisors (see below), whose sum is σ = 1972958292864. Its totient is φ = 853613354880.

The previous prime is 1323155354201. The next prime is 1323155354221. The reversal of 1323155354211 is 1124535513231.

It is a happy number.

1323155354211 is a `hidden beast` number, since 1 + 3 + 2 + 31 + 553 + 54 + 21 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1323155354201) and next prime (1323155354221).

It is not a de Polignac number, because 1323155354211 - 2⁵ = 1323155354179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323155354201) 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 23 ways as a sum of consecutive naturals, for example, 7811065 + ... + 7978661.

It is an arithmetic number, because the mean of its divisors is an integer number (82206595536).

Almost surely, 2^{1323155354211} is an apocalyptic number.

1323155354211 is a deficient number, since it is larger than the sum of its proper divisors (649802938653).

1323155354211 is a wasteful number, since it uses less digits than its factorization.

1323155354211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195931 (or 195928 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The spelling of 1323155354211 in words is "one trillion, three hundred twenty-three billion, one hundred fifty-five million, three hundred fifty-four thousand, two hundred eleven".