2123067754561 has 8 divisors (see below), whose sum is σ = 2287536007680. Its totient is φ = 1958764551312.

The previous prime is 2123067754553. The next prime is 2123067754649. The reversal of 2123067754561 is 1654577603212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2123067754561 - 2³ = 2123067754553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123067754501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41235745 + ... + 41287198.

It is an arithmetic number, because the mean of its divisors is an integer number (285942000960).

Almost surely, 2^{2123067754561} is an apocalyptic number.

It is an amenable number.

2123067754561 is a deficient number, since it is larger than the sum of its proper divisors (164468253119).

2123067754561 is a wasteful number, since it uses less digits than its factorization.

2123067754561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82524935.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 2123067754561 in words is "two trillion, one hundred twenty-three billion, sixty-seven million, seven hundred fifty-four thousand, five hundred sixty-one".