1111255655 has 16 divisors (see below), whose sum is σ = 1345226400. Its totient is φ = 881212800.

The previous prime is 1111255637. The next prime is 1111255697. The reversal of 1111255655 is 5565521111.

It is not a de Polignac number, because 1111255655 - 2¹⁴ = 1111239271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853505 + ... + 854805.

It is an arithmetic number, because the mean of its divisors is an integer number (84076650).

Almost surely, 2^1111255655 is an apocalyptic number.

1111255655 is a deficient number, since it is larger than the sum of its proper divisors (233970745).

1111255655 is a wasteful number, since it uses less digits than its factorization.

1111255655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674.

The product of its digits is 7500, while the sum is 32.

The square root of 1111255655 is about 33335.5014211576. The cubic root of 1111255655 is about 1035.7890798509.

Adding to 1111255655 its reverse (5565521111), we get a palindrome (6676776766).

The spelling of 1111255655 in words is "one billion, one hundred eleven million, two hundred fifty-five thousand, six hundred fifty-five".