1111441613 has 8 divisors (see below), whose sum is σ = 1176947520. Its totient is φ = 1046636640.

The previous prime is 1111441607. The next prime is 1111441619. The reversal of 1111441613 is 3161441111.

It is an interprime number because it is at equal distance from previous prime (1111441607) and next prime (1111441619).

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 1111441613 - 2²⁴ = 1094664397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111441619) 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, 171968 + ... + 178313.

It is an arithmetic number, because the mean of its divisors is an integer number (147118440).

Almost surely, 2^1111441613 is an apocalyptic number.

It is an amenable number.

1111441613 is a deficient number, since it is larger than the sum of its proper divisors (65505907).

1111441613 is a wasteful number, since it uses less digits than its factorization.

1111441613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350467.

The product of its digits is 288, while the sum is 23.

The square root of 1111441613 is about 33338.2904930652. The cubic root of 1111441613 is about 1035.8468530920.

Adding to 1111441613 its reverse (3161441111), we get a palindrome (4272882724).

The spelling of 1111441613 in words is "one billion, one hundred eleven million, four hundred forty-one thousand, six hundred thirteen".