1055455545556 has 12 divisors (see below), whose sum is σ = 1847187660640. Its totient is φ = 527687642520.

The previous prime is 1055455545509. The next prime is 1055455545623. The reversal of 1055455545556 is 6555455545501.

It is a super-2 number, since 2×1055455545556² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055455545497 and 1055455545506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9973350 + ... + 10078621.

Almost surely, 2^{1055455545556} is an apocalyptic number.

It is an amenable number.

1055455545556 is a deficient number, since it is larger than the sum of its proper divisors (791732115084).

1055455545556 is a wasteful number, since it uses less digits than its factorization.

1055455545556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20065134 (or 20065132 counting only the distinct ones).

The product of its (nonzero) digits is 37500000, while the sum is 55.

Subtracting from 1055455545556 its sum of digits (55), we obtain a palindrome (1055455545501).

Subtracting 1055455545556 from its reverse (6555455545501), we obtain a palindrome (5499999999945).

The spelling of 1055455545556 in words is "one trillion, fifty-five billion, four hundred fifty-five million, five hundred forty-five thousand, five hundred fifty-six".