1111110343509 has 4 divisors (see below), whose sum is σ = 1481480458016. Its totient is φ = 740740229004.

The previous prime is 1111110343463. The next prime is 1111110343513. The reversal of 1111110343509 is 9053430111111.

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 1111110343509 - 2¹³ = 1111110335317 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 (1111110343559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185185057249 + ... + 185185057254.

It is an arithmetic number, because the mean of its divisors is an integer number (370370114504).

Almost surely, 2^{1111110343509} is an apocalyptic number.

It is an amenable number.

1111110343509 is a deficient number, since it is larger than the sum of its proper divisors (370370114507).

1111110343509 is an equidigital number, since it uses as much as digits as its factorization.

1111110343509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370370114506.

The product of its (nonzero) digits is 1620, while the sum is 30.

The spelling of 1111110343509 in words is "one trillion, one hundred eleven billion, one hundred ten million, three hundred forty-three thousand, five hundred nine".