8145468104121 has 12 divisors (see below), whose sum is σ = 11785252990420. Its totient is φ = 5421276604800.

The previous prime is 8145468104117. The next prime is 8145468104143. The reversal of 8145468104121 is 1214018645418.

8145468104121 is a `hidden beast` number, since 8 + 1 + 4 + 546 + 81 + 0 + 4 + 1 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2683899104121 + 5461569000000 = 1638261^2 + 2337000^2 .

It is not a de Polignac number, because 8145468104121 - 2² = 8145468104117 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 (8145468104021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 752949676 + ... + 752960493.

Almost surely, 2^{8145468104121} is an apocalyptic number.

It is an amenable number.

8145468104121 is a deficient number, since it is larger than the sum of its proper divisors (3639784886299).

8145468104121 is a wasteful number, since it uses less digits than its factorization.

8145468104121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505910776 (or 1505910773 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 8145468104121 in words is "eight trillion, one hundred forty-five billion, four hundred sixty-eight million, one hundred four thousand, one hundred twenty-one".