136243118511 has 12 divisors (see below), whose sum is σ = 198634828392. Its totient is φ = 89979878256.

The previous prime is 136243118509. The next prime is 136243118593. The reversal of 136243118511 is 115811342631.

136243118511 is a `hidden beast` number, since 1 + 3 + 6 + 24 + 3 + 118 + 511 = 666.

It is not a de Polignac number, because 136243118511 - 2¹ = 136243118509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136243118611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70737936 + ... + 70739861.

It is an arithmetic number, because the mean of its divisors is an integer number (16552902366).

Almost surely, 2^136243118511 is an apocalyptic number.

136243118511 is a deficient number, since it is larger than the sum of its proper divisors (62391709881).

136243118511 is a wasteful number, since it uses less digits than its factorization.

136243118511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141477910 (or 141477907 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The spelling of 136243118511 in words is "one hundred thirty-six billion, two hundred forty-three million, one hundred eighteen thousand, five hundred eleven".