13223550532005 has 128 divisors (see below), whose sum is σ = 26073827942400. Its totient is φ = 6305027040000.

The previous prime is 13223550532001. The next prime is 13223550532037. The reversal of 13223550532005 is 50023505532231.

13223550532005 is a `hidden beast` number, since 1 + 32 + 2 + 3 + 550 + 53 + 20 + 0 + 5 = 666.

It is not a de Polignac number, because 13223550532005 - 2² = 13223550532001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223550532001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29221527 + ... + 29670603.

It is an arithmetic number, because the mean of its divisors is an integer number (203701780800).

Almost surely, 2^{13223550532005} is an apocalyptic number.

13223550532005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13223550532005 is a deficient number, since it is larger than the sum of its proper divisors (12850277410395).

13223550532005 is a wasteful number, since it uses less digits than its factorization.

13223550532005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449432 (or 449426 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 13223550532005 in words is "thirteen trillion, two hundred twenty-three billion, five hundred fifty million, five hundred thirty-two thousand, five".