561061463120121 has 8 divisors (see below), whose sum is σ = 748082090298400. Its totient is φ = 374040905677632.

The previous prime is 561061463120063. The next prime is 561061463120161. The reversal of 561061463120121 is 121021364160165.

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

It is not a de Polignac number, because 561061463120121 - 2¹⁴ = 561061463103737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 561061463120121.

It is not an unprimeable number, because it can be changed into a prime (561061463120161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5739201 + ... + 33986193.

It is an arithmetic number, because the mean of its divisors is an integer number (93510261287300).

Almost surely, 2^{561061463120121} is an apocalyptic number.

It is an amenable number.

561061463120121 is a deficient number, since it is larger than the sum of its proper divisors (187020627178279).

561061463120121 is a wasteful number, since it uses less digits than its factorization.

561061463120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34867895.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 561061463120121 in words is "five hundred sixty-one trillion, sixty-one billion, four hundred sixty-three million, one hundred twenty thousand, one hundred twenty-one".