10143511209 has 144 divisors (see below), whose sum is σ = 17609539584. Its totient is φ = 5584723200.

The previous prime is 10143511201. The next prime is 10143511223. The reversal of 10143511209 is 90211534101.

It is a happy number.

10143511209 is a `hidden beast` number, since 1 + 0 + 143 + 511 + 2 + 0 + 9 = 666.

10143511209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10143511209 - 2³ = 10143511201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10143511201) 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 143 ways as a sum of consecutive naturals, for example, 79870104 + ... + 79870230.

Almost surely, 2^10143511209 is an apocalyptic number.

10143511209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10143511209 is a deficient number, since it is larger than the sum of its proper divisors (7466028375).

10143511209 is a wasteful number, since it uses less digits than its factorization.

10143511209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 10143511209 in words is "ten billion, one hundred forty-three million, five hundred eleven thousand, two hundred nine".