4243415131121 has 8 divisors (see below), whose sum is σ = 4265461878600. Its totient is φ = 4221369004032.

The previous prime is 4243415131093. The next prime is 4243415131147. The reversal of 4243415131121 is 1211315143424.

It can be written as a sum of positive squares in 4 ways, for example, as 1545354721 + 4241869776400 = 39311^2 + 2059580^2 .

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 4243415131121 - 2³⁸ = 3968537224177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4243415131421) 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, 21100781 + ... + 21300933.

It is an arithmetic number, because the mean of its divisors is an integer number (533182734825).

Almost surely, 2^{4243415131121} is an apocalyptic number.

It is an amenable number.

4243415131121 is a deficient number, since it is larger than the sum of its proper divisors (22046747479).

4243415131121 is a wasteful number, since it uses less digits than its factorization.

4243415131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310195.

The product of its digits is 11520, while the sum is 32.

The spelling of 4243415131121 in words is "four trillion, two hundred forty-three billion, four hundred fifteen million, one hundred thirty-one thousand, one hundred twenty-one".