154636225121113 has 2 divisors, whose sum is σ = 154636225121114. Its totient is φ = 154636225121112.

The previous prime is 154636225121089. The next prime is 154636225121167. The reversal of 154636225121113 is 311121522636451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136988227414809 + 17647997706304 = 11704197^2 + 4200952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154636225121113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154636225121113.

It is not a weakly prime, because it can be changed into another prime (154636225121513) 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 as a sum of consecutive naturals, namely, 77318112560556 + 77318112560557.

It is an arithmetic number, because the mean of its divisors is an integer number (77318112560557).

Almost surely, 2^{154636225121113} is an apocalyptic number.

It is an amenable number.

154636225121113 is a deficient number, since it is larger than the sum of its proper divisors (1).

154636225121113 is an equidigital number, since it uses as much as digits as its factorization.

154636225121113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 43.

Adding to 154636225121113 its reverse (311121522636451), we get a palindrome (465757747757564).

The spelling of 154636225121113 in words is "one hundred fifty-four trillion, six hundred thirty-six billion, two hundred twenty-five million, one hundred twenty-one thousand, one hundred thirteen".