1055506105505 has 8 divisors (see below), whose sum is σ = 1266617466600. Its totient is φ = 844398124416.

The previous prime is 1055506105501. The next prime is 1055506105513. The reversal of 1055506105505 is 5055016055501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23664591889 + 1031841513616 = 153833^2 + 1015796^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1055506105505 - 2² = 1055506105501 is a prime.

It is a super-2 number, since 2×1055506105505² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055506105501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97940 + ... + 1456229.

It is an arithmetic number, because the mean of its divisors is an integer number (158327183325).

Almost surely, 2^{1055506105505} is an apocalyptic number.

It is an amenable number.

1055506105505 is a deficient number, since it is larger than the sum of its proper divisors (211111361095).

1055506105505 is a wasteful number, since it uses less digits than its factorization.

1055506105505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690003.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 1055506105505 in words is "one trillion, fifty-five billion, five hundred six million, one hundred five thousand, five hundred five".