135665151111 has 48 divisors (see below), whose sum is σ = 231970939200. Its totient is φ = 74755021824.

The previous prime is 135665151103. The next prime is 135665151133. The reversal of 135665151111 is 111151566531.

135665151111 is a `hidden beast` number, since 1 + 35 + 66 + 51 + 511 + 1 + 1 = 666.

It is not a de Polignac number, because 135665151111 - 2³ = 135665151103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135665151101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1409535 + ... + 1502703.

It is an arithmetic number, because the mean of its divisors is an integer number (4832727900).

Almost surely, 2^135665151111 is an apocalyptic number.

135665151111 is a deficient number, since it is larger than the sum of its proper divisors (96305788089).

135665151111 is a wasteful number, since it uses less digits than its factorization.

135665151111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94008 (or 94005 counting only the distinct ones).

The product of its digits is 13500, while the sum is 36.

The spelling of 135665151111 in words is "one hundred thirty-five billion, six hundred sixty-five million, one hundred fifty-one thousand, one hundred eleven".