1105056055061 has 12 divisors (see below), whose sum is σ = 1329800039820. Its totient is φ = 914529147840.

The previous prime is 1105056055039. The next prime is 1105056055087. The reversal of 1105056055061 is 1605506505011.

It can be written as a sum of positive squares in 2 ways, for example, as 944455492561 + 160600562500 = 971831^2 + 400750^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1105056055061 is a prime.

It is a super-2 number, since 2×1105056055061² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105056055021) 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 11 ways as a sum of consecutive naturals, for example, 388829000 + ... + 388831841.

It is an arithmetic number, because the mean of its divisors is an integer number (110816669985).

Almost surely, 2^{1105056055061} is an apocalyptic number.

It is an amenable number.

1105056055061 is a deficient number, since it is larger than the sum of its proper divisors (224743984759).

1105056055061 is an equidigital number, since it uses as much as digits as its factorization.

1105056055061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777660884 (or 777660877 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 1105056055061 in words is "one trillion, one hundred five billion, fifty-six million, fifty-five thousand, sixty-one".