13211555073 has 16 divisors (see below), whose sum is σ = 17664120960. Its totient is φ = 8783381376.

The previous prime is 13211555059. The next prime is 13211555089. The reversal of 13211555073 is 37055511231.

It is not a de Polignac number, because 13211555073 - 2⁹ = 13211554561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13211555003) 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, 1841868 + ... + 1849026.

It is an arithmetic number, because the mean of its divisors is an integer number (1104007560).

Almost surely, 2^13211555073 is an apocalyptic number.

It is an amenable number.

13211555073 is a deficient number, since it is larger than the sum of its proper divisors (4452565887).

13211555073 is an equidigital number, since it uses as much as digits as its factorization.

13211555073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8776.

The product of its (nonzero) digits is 15750, while the sum is 33.

The spelling of 13211555073 in words is "thirteen billion, two hundred eleven million, five hundred fifty-five thousand, seventy-three".