1011205066055 has 16 divisors (see below), whose sum is σ = 1241821541664. Its totient is φ = 790051799040.

The previous prime is 1011205066037. The next prime is 1011205066063. The reversal of 1011205066055 is 5506605021101.

1011205066055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011205066055 - 2⁸ = 1011205065799 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1446407 + ... + 2028423.

It is an arithmetic number, because the mean of its divisors is an integer number (77613846354).

Almost surely, 2^{1011205066055} is an apocalyptic number.

1011205066055 is a deficient number, since it is larger than the sum of its proper divisors (230616475609).

1011205066055 is an equidigital number, since it uses as much as digits as its factorization.

1011205066055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590146.

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 1011205066055 in words is "one trillion, eleven billion, two hundred five million, sixty-six thousand, fifty-five".