1115455455 has 80 divisors (see below), whose sum is σ = 2052187104. Its totient is φ = 579467520.

The previous prime is 1115455427. The next prime is 1115455457. The reversal of 1115455455 is 5545545111.

1115455455 is a `hidden beast` number, since 1 + 1 + 1 + 54 + 554 + 55 = 666.

It is not a de Polignac number, because 1115455455 - 2¹⁷ = 1115324383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115455457) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4026777 + ... + 4027053.

Almost surely, 2^1115455455 is an apocalyptic number.

1115455455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1115455455 is a deficient number, since it is larger than the sum of its proper divisors (936731649).

1115455455 is a wasteful number, since it uses less digits than its factorization.

1115455455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 509 counting only the distinct ones).

The product of its digits is 50000, while the sum is 36.

The square root of 1115455455 is about 33398.4349184210. The cubic root of 1115455455 is about 1037.0923018036.

The spelling of 1115455455 in words is "one billion, one hundred fifteen million, four hundred fifty-five thousand, four hundred fifty-five".