1055555560106 has 4 divisors (see below), whose sum is σ = 1583333340162. Its totient is φ = 527777780052.

The previous prime is 1055555560021. The next prime is 1055555560117. The reversal of 1055555560106 is 6010655555501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1054094409481 + 1461150625 = 1026691^2 + 38225^2 .

It is a super-2 number, since 2×1055555560106² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263888890025 + ... + 263888890028.

Almost surely, 2^{1055555560106} is an apocalyptic number.

1055555560106 is a deficient number, since it is larger than the sum of its proper divisors (527777780056).

1055555560106 is an equidigital number, since it uses as much as digits as its factorization.

1055555560106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527777780055.

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 1055555560106 in words is "one trillion, fifty-five billion, five hundred fifty-five million, five hundred sixty thousand, one hundred six".