4556118430121 has 2 divisors, whose sum is σ = 4556118430122. Its totient is φ = 4556118430120.

The previous prime is 4556118430103. The next prime is 4556118430151. The reversal of 4556118430121 is 1210348116554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3728316883225 + 827801546896 = 1930885^2 + 909836^2 .

It is a cyclic number.

It is not a de Polignac number, because 4556118430121 - 2⁶ = 4556118430057 is a prime.

It is not a weakly prime, because it can be changed into another prime (4556118430151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2278059215060 + 2278059215061.

It is an arithmetic number, because the mean of its divisors is an integer number (2278059215061).

Almost surely, 2^{4556118430121} is an apocalyptic number.

It is an amenable number.

4556118430121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4556118430121 is an equidigital number, since it uses as much as digits as its factorization.

4556118430121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 4556118430121 in words is "four trillion, five hundred fifty-six billion, one hundred eighteen million, four hundred thirty thousand, one hundred twenty-one".