101768404014545 has 4 divisors (see below), whose sum is σ = 122122084817460. Its totient is φ = 81414723211632.

The previous prime is 101768404014523. The next prime is 101768404014587. The reversal of 101768404014545 is 545410404867101.

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 38421067531729 + 63347336482816 = 6198473^2 + 7959104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101768404014545 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101768404014493 and 101768404014502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10176840401450 + ... + 10176840401459.

It is an arithmetic number, because the mean of its divisors is an integer number (30530521204365).

Almost surely, 2^{101768404014545} is an apocalyptic number.

It is an amenable number.

101768404014545 is a deficient number, since it is larger than the sum of its proper divisors (20353680802915).

101768404014545 is an equidigital number, since it uses as much as digits as its factorization.

101768404014545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20353680802914.

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 101768404014545 in words is "one hundred one trillion, seven hundred sixty-eight billion, four hundred four million, fourteen thousand, five hundred forty-five".