1055511105506 has 32 divisors (see below), whose sum is σ = 1890554371776. Its totient is φ = 435611592000.

The previous prime is 1055511105487. The next prime is 1055511105521. The reversal of 1055511105506 is 6055011155501.

It is a super-2 number, since 2×1055511105506² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30233360 + ... + 30268251.

It is an arithmetic number, because the mean of its divisors is an integer number (59079824118).

Almost surely, 2^{1055511105506} is an apocalyptic number.

1055511105506 is a deficient number, since it is larger than the sum of its proper divisors (835043266270).

1055511105506 is a wasteful number, since it uses less digits than its factorization.

1055511105506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60501698.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 1055511105506 in words is "one trillion, fifty-five billion, five hundred eleven million, one hundred five thousand, five hundred six".