161115136029 has 12 divisors (see below), whose sum is σ = 232727601600. Its totient is φ = 107407442184.

The previous prime is 161115136027. The next prime is 161115136081. The reversal of 161115136029 is 920631511161.

161115136029 is a `hidden beast` number, since 1 + 6 + 111 + 513 + 6 + 0 + 29 = 666.

It is not a de Polignac number, because 161115136029 - 2¹ = 161115136027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161115135984 and 161115136002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161115136027) 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 11 ways as a sum of consecutive naturals, for example, 208492 + ... + 604730.

It is an arithmetic number, because the mean of its divisors is an integer number (19393966800).

Almost surely, 2^161115136029 is an apocalyptic number.

It is an amenable number.

161115136029 is a deficient number, since it is larger than the sum of its proper divisors (71612465571).

161115136029 is a wasteful number, since it uses less digits than its factorization.

161115136029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441424 (or 441421 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The spelling of 161115136029 in words is "one hundred sixty-one billion, one hundred fifteen million, one hundred thirty-six thousand, twenty-nine".