121115242534225 has 12 divisors (see below), whose sum is σ = 159017189021964. Its totient is φ = 91192653201920.

The previous prime is 121115242534219. The next prime is 121115242534243. The reversal of 121115242534225 is 522435242511121.

It can be written as a sum of positive squares in 6 ways, for example, as 1190929142209 + 119924313392016 = 1091297^2 + 10950996^2 .

It is not a de Polignac number, because 121115242534225 - 2³ = 121115242534217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142488520204 + ... + 142488521053.

It is an arithmetic number, because the mean of its divisors is an integer number (13251432418497).

Almost surely, 2^{121115242534225} is an apocalyptic number.

It is an amenable number.

121115242534225 is a deficient number, since it is larger than the sum of its proper divisors (37901946487739).

121115242534225 is a wasteful number, since it uses less digits than its factorization.

121115242534225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284977041284 (or 284977041279 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

The spelling of 121115242534225 in words is "one hundred twenty-one trillion, one hundred fifteen billion, two hundred forty-two million, five hundred thirty-four thousand, two hundred twenty-five".