136253531111 has 2 divisors, whose sum is σ = 136253531112. Its totient is φ = 136253531110.

The previous prime is 136253531077. The next prime is 136253531119. The reversal of 136253531111 is 111135352631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136253531111 - 2¹⁰ = 136253530087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136253531119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68126765555 + 68126765556.

It is an arithmetic number, because the mean of its divisors is an integer number (68126765556).

Almost surely, 2^136253531111 is an apocalyptic number.

136253531111 is a deficient number, since it is larger than the sum of its proper divisors (1).

136253531111 is an equidigital number, since it uses as much as digits as its factorization.

136253531111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 32.

Adding to 136253531111 its reverse (111135352631), we get a palindrome (247388883742).

The spelling of 136253531111 in words is "one hundred thirty-six billion, two hundred fifty-three million, five hundred thirty-one thousand, one hundred eleven".