7561486843121 has 8 divisors (see below), whose sum is σ = 8354379325824. Its totient is φ = 6807272042560.

The previous prime is 7561486843111. The next prime is 7561486843133. The reversal of 7561486843121 is 1213486841657.

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 7561486843121 - 2¹⁰ = 7561486842097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7561486843111) 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, 9669420125 + ... + 9669420906.

It is an arithmetic number, because the mean of its divisors is an integer number (1044297415728).

Almost surely, 2^{7561486843121} is an apocalyptic number.

It is an amenable number.

7561486843121 is a deficient number, since it is larger than the sum of its proper divisors (792892482703).

7561486843121 is a wasteful number, since it uses less digits than its factorization.

7561486843121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19338841071.

The product of its digits is 7741440, while the sum is 56.

The spelling of 7561486843121 in words is "seven trillion, five hundred sixty-one billion, four hundred eighty-six million, eight hundred forty-three thousand, one hundred twenty-one".