11090555961 has 8 divisors (see below), whose sum is σ = 14789844384. Its totient is φ = 7392485760.

The previous prime is 11090555953. The next prime is 11090555989. The reversal of 11090555961 is 16955509011.

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

It is not a de Polignac number, because 11090555961 - 2³ = 11090555953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11090555941) 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, 283096 + ... + 319881.

It is an arithmetic number, because the mean of its divisors is an integer number (1848730548).

Almost surely, 2^11090555961 is an apocalyptic number.

It is an amenable number.

11090555961 is a deficient number, since it is larger than the sum of its proper divisors (3699288423).

11090555961 is an equidigital number, since it uses as much as digits as its factorization.

11090555961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609111.

The product of its (nonzero) digits is 60750, while the sum is 42.

The spelling of 11090555961 in words is "eleven billion, ninety million, five hundred fifty-five thousand, nine hundred sixty-one".