142809162811 has 64 divisors (see below), whose sum is σ = 172312842240. Its totient is φ = 115832695680.

The previous prime is 142809162799. The next prime is 142809162829. The reversal of 142809162811 is 118261908241.

It is a cyclic number.

It is not a de Polignac number, because 142809162811 - 2²³ = 142800774203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142809162011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 504625876 + ... + 504626158.

It is an arithmetic number, because the mean of its divisors is an integer number (2692388160).

Almost surely, 2^142809162811 is an apocalyptic number.

142809162811 is a deficient number, since it is larger than the sum of its proper divisors (29503679429).

142809162811 is a wasteful number, since it uses less digits than its factorization.

142809162811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 55296, while the sum is 43.

The spelling of 142809162811 in words is "one hundred forty-two billion, eight hundred nine million, one hundred sixty-two thousand, eight hundred eleven".