11405008851 has 8 divisors (see below), whose sum is σ = 15220988160. Its totient is φ = 7596184392.

The previous prime is 11405008829. The next prime is 11405008883. The reversal of 11405008851 is 15880050411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11405008851 - 2⁵ = 11405008819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11405008651) 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, 1784991 + ... + 1791368.

It is an arithmetic number, because the mean of its divisors is an integer number (1902623520).

Almost surely, 2^11405008851 is an apocalyptic number.

11405008851 is a deficient number, since it is larger than the sum of its proper divisors (3815979309).

11405008851 is a wasteful number, since it uses less digits than its factorization.

11405008851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577425.

The product of its (nonzero) digits is 6400, while the sum is 33.

The spelling of 11405008851 in words is "eleven billion, four hundred five million, eight thousand, eight hundred fifty-one".