11040340429 has 4 divisors (see below), whose sum is σ = 11297092576. Its totient is φ = 10783588284.

The previous prime is 11040340391. The next prime is 11040340433. The reversal of 11040340429 is 92404304011.

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 a de Polignac number, because none of the positive numbers 2^k-11040340429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11040340397 and 11040340406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040340459) 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, 128376009 + ... + 128376094.

It is an arithmetic number, because the mean of its divisors is an integer number (2824273144).

Almost surely, 2^11040340429 is an apocalyptic number.

It is an amenable number.

11040340429 is a deficient number, since it is larger than the sum of its proper divisors (256752147).

11040340429 is an equidigital number, since it uses as much as digits as its factorization.

11040340429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256752146.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 11040340429 in words is "eleven billion, forty million, three hundred forty thousand, four hundred twenty-nine".