154768163502101 has 2 divisors, whose sum is σ = 154768163502102. Its totient is φ = 154768163502100.

The previous prime is 154768163502049. The next prime is 154768163502151. The reversal of 154768163502101 is 101205361867451.

It is an a-pointer prime, because the next prime (154768163502151) can be obtained adding 154768163502101 to its sum of digits (50).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86292042001201 + 68476121500900 = 9289351^2 + 8275030^2 .

It is an emirp because it is prime and its reverse (101205361867451) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154768163502101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154768163502101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154768163502151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77384081751050 + 77384081751051.

It is an arithmetic number, because the mean of its divisors is an integer number (77384081751051).

Almost surely, 2^{154768163502101} is an apocalyptic number.

It is an amenable number.

154768163502101 is a deficient number, since it is larger than the sum of its proper divisors (1).

154768163502101 is an equidigital number, since it uses as much as digits as its factorization.

154768163502101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 154768163502101 in words is "one hundred fifty-four trillion, seven hundred sixty-eight billion, one hundred sixty-three million, five hundred two thousand, one hundred one".