11000555001 has 20 divisors (see below), whose sum is σ = 17297821200. Its totient is φ = 6947717976.

The previous prime is 11000554933. The next prime is 11000555011. The reversal of 11000555001 is 10055500011.

11000555001 is a `hidden beast` number, since 110 + 0 + 0 + 5 + 550 + 0 + 1 = 666.

It is not a de Polignac number, because 11000555001 - 2⁹ = 11000554489 is a prime.

It is a super-2 number, since 2×11000555001² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11000555011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3572391 + ... + 3575468.

It is an arithmetic number, because the mean of its divisors is an integer number (864891060).

Almost surely, 2^11000555001 is an apocalyptic number.

It is an amenable number.

11000555001 is a deficient number, since it is larger than the sum of its proper divisors (6297266199).

11000555001 is an equidigital number, since it uses as much as digits as its factorization.

11000555001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147890 (or 7147881 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The spelling of 11000555001 in words is "eleven billion, five hundred fifty-five thousand, one".