10920905004193 has 2 divisors, whose sum is σ = 10920905004194. Its totient is φ = 10920905004192.

The previous prime is 10920905004173. The next prime is 10920905004371. The reversal of 10920905004193 is 39140050902901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9363183844624 + 1557721159569 = 3059932^2 + 1248087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10920905004193 is a prime.

It is a super-2 number, since 2×10920905004193² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10920905004103) by changing a digit.

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 as a sum of consecutive naturals, namely, 5460452502096 + 5460452502097.

It is an arithmetic number, because the mean of its divisors is an integer number (5460452502097).

Almost surely, 2^{10920905004193} is an apocalyptic number.

It is an amenable number.

10920905004193 is a deficient number, since it is larger than the sum of its proper divisors (1).

10920905004193 is an equidigital number, since it uses as much as digits as its factorization.

10920905004193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 43.

The spelling of 10920905004193 in words is "ten trillion, nine hundred twenty billion, nine hundred five million, four thousand, one hundred ninety-three".