1055110110555 has 32 divisors (see below), whose sum is σ = 1720139955264. Its totient is φ = 552072175616.

The previous prime is 1055110110503. The next prime is 1055110110617. The reversal of 1055110110555 is 5550110115501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1055110110555 - 2¹⁵ = 1055110077787 is a prime.

It is a super-2 number, since 2×1055110110555² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16007827 + ... + 16073603.

It is an arithmetic number, because the mean of its divisors is an integer number (53754373602).

Almost surely, 2^{1055110110555} is an apocalyptic number.

1055110110555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1055110110555 is a deficient number, since it is larger than the sum of its proper divisors (665029844709).

1055110110555 is a wasteful number, since it uses less digits than its factorization.

1055110110555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86015.

The product of its (nonzero) digits is 3125, while the sum is 30.

The spelling of 1055110110555 in words is "one trillion, fifty-five billion, one hundred ten million, one hundred ten thousand, five hundred fifty-five".