113040352409 has 4 divisors (see below), whose sum is σ = 113043240960. Its totient is φ = 113037463860.

The previous prime is 113040352393. The next prime is 113040352417. The reversal of 113040352409 is 904253040311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 904253040311 = 259001 ⋅3491311.

It is a cyclic number.

It is not a de Polignac number, because 113040352409 - 2⁴ = 113040352393 is a prime.

It is a super-3 number, since 3×113040352409³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113040352429) 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, 1384757 + ... + 1464114.

It is an arithmetic number, because the mean of its divisors is an integer number (28260810240).

Almost surely, 2^113040352409 is an apocalyptic number.

It is an amenable number.

113040352409 is a deficient number, since it is larger than the sum of its proper divisors (2888551).

113040352409 is an equidigital number, since it uses as much as digits as its factorization.

113040352409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888550.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 113040352409 in words is "one hundred thirteen billion, forty million, three hundred fifty-two thousand, four hundred nine".