1323405525011 has 16 divisors (see below), whose sum is σ = 1394119223040. Its totient is φ = 1252798371360.

The previous prime is 1323405524983. The next prime is 1323405525031. The reversal of 1323405525011 is 1105255043231.

It is a cyclic number.

It is not a de Polignac number, because 1323405525011 - 2¹⁰ = 1323405523987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323405525031) 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, 209297096 + ... + 209303418.

It is an arithmetic number, because the mean of its divisors is an integer number (87132451440).

Almost surely, 2^{1323405525011} is an apocalyptic number.

1323405525011 is a deficient number, since it is larger than the sum of its proper divisors (70713698029).

1323405525011 is a wasteful number, since it uses less digits than its factorization.

1323405525011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12986.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 1323405525011 in words is "one trillion, three hundred twenty-three billion, four hundred five million, five hundred twenty-five thousand, eleven".