136855178152001 has 4 divisors (see below), whose sum is σ = 136856255565012. Its totient is φ = 136854100738992.

The previous prime is 136855178151977. The next prime is 136855178152057. The reversal of 136855178152001 is 100251871558631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51105355737601 + 85749822414400 = 7148801^2 + 9260120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136855178152001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136855178152601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538515950 + ... + 538770023.

It is an arithmetic number, because the mean of its divisors is an integer number (34214063891253).

Almost surely, 2^{136855178152001} is an apocalyptic number.

It is an amenable number.

136855178152001 is a deficient number, since it is larger than the sum of its proper divisors (1077413011).

136855178152001 is a wasteful number, since it uses less digits than its factorization.

136855178152001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077413010.

The product of its (nonzero) digits is 2016000, while the sum is 53.

The spelling of 136855178152001 in words is "one hundred thirty-six trillion, eight hundred fifty-five billion, one hundred seventy-eight million, one hundred fifty-two thousand, one".