4115111321 has 4 divisors (see below), whose sum is σ = 4132329600. Its totient is φ = 4097893044.

The previous prime is 4115111317. The next prime is 4115111359. The reversal of 4115111321 is 1231115114.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4115111321 - 2² = 4115111317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4115111293 and 4115111302.

It is not an unprimeable number, because it can be changed into a prime (4115111521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8608781 + ... + 8609258.

It is an arithmetic number, because the mean of its divisors is an integer number (1033082400).

Almost surely, 2^4115111321 is an apocalyptic number.

It is an amenable number.

4115111321 is a deficient number, since it is larger than the sum of its proper divisors (17218279).

4115111321 is a wasteful number, since it uses less digits than its factorization.

4115111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17218278.

The product of its digits is 120, while the sum is 20.

The square root of 4115111321 is about 64149.1334391978. The cubic root of 4115111321 is about 1602.4845930066.

Adding to 4115111321 its reverse (1231115114), we get a palindrome (5346226435).

The spelling of 4115111321 in words is "four billion, one hundred fifteen million, one hundred eleven thousand, three hundred twenty-one".