1111005605055 has 32 divisors (see below), whose sum is σ = 1843377329664. Its totient is φ = 570924498816.

The previous prime is 1111005605053. The next prime is 1111005605077. The reversal of 1111005605055 is 5505065001111.

It is not a de Polignac number, because 1111005605055 - 2¹ = 1111005605053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111005605051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9660369 + ... + 9774698.

It is an arithmetic number, because the mean of its divisors is an integer number (57605541552).

Almost surely, 2^{1111005605055} is an apocalyptic number.

1111005605055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1111005605055 is a deficient number, since it is larger than the sum of its proper divisors (732371724609).

1111005605055 is a wasteful number, since it uses less digits than its factorization.

1111005605055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19435215.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 1111005605055 in words is "one trillion, one hundred eleven billion, five million, six hundred five thousand, fifty-five".