1120520533555 has 16 divisors (see below), whose sum is σ = 1357696549440. Its totient is φ = 887710741632.

The previous prime is 1120520533511. The next prime is 1120520533597. The reversal of 1120520533555 is 5553350250211.

It is a cyclic number.

It is not a de Polignac number, because 1120520533555 - 2⁷ = 1120520533427 is a prime.

It is a super-2 number, since 2×1120520533555² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 450037 + ... + 1563193.

It is an arithmetic number, because the mean of its divisors is an integer number (84856034340).

Almost surely, 2^{1120520533555} is an apocalyptic number.

1120520533555 is a deficient number, since it is larger than the sum of its proper divisors (237176015885).

1120520533555 is a wasteful number, since it uses less digits than its factorization.

1120520533555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115118.

The product of its (nonzero) digits is 112500, while the sum is 37.

Adding to 1120520533555 its reverse (5553350250211), we get a palindrome (6673870783766).

The spelling of 1120520533555 in words is "one trillion, one hundred twenty billion, five hundred twenty million, five hundred thirty-three thousand, five hundred fifty-five".