1111225055 has 8 divisors (see below), whose sum is σ = 1333651632. Its totient is φ = 888859008.

The previous prime is 1111225007. The next prime is 1111225069. The reversal of 1111225055 is 5505221111.

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 1111225055 - 2¹⁶ = 1111159519 is a prime.

It is a super-2 number, since 2×1111225055² = 2469642245719506050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111225055.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 53879 + ... + 71591.

It is an arithmetic number, because the mean of its divisors is an integer number (166706454).

Almost surely, 2^1111225055 is an apocalyptic number.

1111225055 is a deficient number, since it is larger than the sum of its proper divisors (222426577).

1111225055 is a wasteful number, since it uses less digits than its factorization.

1111225055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30265.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 1111225055 is about 33335.0424478506. The cubic root of 1111225055 is about 1035.7795724566.

Adding to 1111225055 its reverse (5505221111), we get a palindrome (6616446166).

The spelling of 1111225055 in words is "one billion, one hundred eleven million, two hundred twenty-five thousand, fifty-five".