13211552145 has 16 divisors (see below), whose sum is σ = 23060164032. Its totient is φ = 6405600960.

The previous prime is 13211552111. The next prime is 13211552177. The reversal of 13211552145 is 54125511231.

It is not a de Polignac number, because 13211552145 - 2¹⁰ = 13211551121 is a prime.

It is a super-2 number, since 2×13211552145² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40034842 + ... + 40035171.

It is an arithmetic number, because the mean of its divisors is an integer number (1441260252).

Almost surely, 2^13211552145 is an apocalyptic number.

13211552145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13211552145 is a deficient number, since it is larger than the sum of its proper divisors (9848611887).

13211552145 is a wasteful number, since it uses less digits than its factorization.

13211552145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80070032.

The product of its digits is 6000, while the sum is 30.

The spelling of 13211552145 in words is "thirteen billion, two hundred eleven million, five hundred fifty-two thousand, one hundred forty-five".