11040906409 has 8 divisors (see below), whose sum is σ = 11892484800. Its totient is φ = 10189653456.

The previous prime is 11040906397. The next prime is 11040906467. The reversal of 11040906409 is 90460904011.

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 11040906409 - 2⁷ = 11040906281 is a prime.

It is a super-2 number, since 2×11040906409² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11040906509) 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, 8467 + ... + 148840.

It is an arithmetic number, because the mean of its divisors is an integer number (1486560600).

Almost surely, 2^11040906409 is an apocalyptic number.

It is an amenable number.

11040906409 is a deficient number, since it is larger than the sum of its proper divisors (851578391).

11040906409 is a wasteful number, since it uses less digits than its factorization.

11040906409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162719.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 11040906409 in words is "eleven billion, forty million, nine hundred six thousand, four hundred nine".