1111345413 has 4 divisors (see below), whose sum is σ = 1481793888. Its totient is φ = 740896940.

The previous prime is 1111345373. The next prime is 1111345423. The reversal of 1111345413 is 3145431111.

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 a cyclic number.

It is not a de Polignac number, because 1111345413 - 2⁹ = 1111344901 is a prime.

It is a super-2 number, since 2×1111345413² = 2470177253992281138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111345423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185224233 + ... + 185224238.

It is an arithmetic number, because the mean of its divisors is an integer number (370448472).

Almost surely, 2^1111345413 is an apocalyptic number.

It is an amenable number.

1111345413 is a deficient number, since it is larger than the sum of its proper divisors (370448475).

1111345413 is an equidigital number, since it uses as much as digits as its factorization.

1111345413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370448474.

The product of its digits is 720, while the sum is 24.

The square root of 1111345413 is about 33336.8476764076. The cubic root of 1111345413 is about 1035.8169665791.

Adding to 1111345413 its reverse (3145431111), we get a palindrome (4256776524).

The spelling of 1111345413 in words is "one billion, one hundred eleven million, three hundred forty-five thousand, four hundred thirteen".