5500555111 has 2 divisors, whose sum is σ = 5500555112. Its totient is φ = 5500555110.

The previous prime is 5500555061. The next prime is 5500555171. The reversal of 5500555111 is 1115550055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5500555111 - 2²¹ = 5498457959 is a prime.

It is a super-2 number, since 2×5500555111² = 60512213058296444642, which contains 22 as substring.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 5500555111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5500555171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750277555 + 2750277556.

It is an arithmetic number, because the mean of its divisors is an integer number (2750277556).

Almost surely, 2^5500555111 is an apocalyptic number.

5500555111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5500555111 is an equidigital number, since it uses as much as digits as its factorization.

5500555111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3125, while the sum is 28.

The square root of 5500555111 is about 74165.7273341265. The cubic root of 5500555111 is about 1765.2335515802.

The spelling of 5500555111 in words is "five billion, five hundred million, five hundred fifty-five thousand, one hundred eleven".