11006555555 has 16 divisors (see below), whose sum is σ = 13274184000. Its totient is φ = 8761098240.

The previous prime is 11006555471. The next prime is 11006555563. The reversal of 11006555555 is 55555560011.

It is a happy number.

It is not a de Polignac number, because 11006555555 - 2⁸ = 11006555299 is a prime.

It is a super-2 number, since 2×11006555555² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1682531 + ... + 1689059.

It is an arithmetic number, because the mean of its divisors is an integer number (829636500).

Almost surely, 2^11006555555 is an apocalyptic number.

11006555555 is a deficient number, since it is larger than the sum of its proper divisors (2267628445).

11006555555 is a wasteful number, since it uses less digits than its factorization.

11006555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8174.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 11006555555 in words is "eleven billion, six million, five hundred fifty-five thousand, five hundred fifty-five".