1111045855 has 16 divisors (see below), whose sum is σ = 1342656000. Its totient is φ = 882588960.

The previous prime is 1111045853. The next prime is 1111045877. The reversal of 1111045855 is 5585401111.

It is not a de Polignac number, because 1111045855 - 2¹ = 1111045853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111045853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734550 + ... + 736060.

It is an arithmetic number, because the mean of its divisors is an integer number (83916000).

Almost surely, 2^1111045855 is an apocalyptic number.

1111045855 is a deficient number, since it is larger than the sum of its proper divisors (231610145).

1111045855 is a wasteful number, since it uses less digits than its factorization.

1111045855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454.

The product of its (nonzero) digits is 4000, while the sum is 31.

The square root of 1111045855 is about 33332.3544772943. The cubic root of 1111045855 is about 1035.7238916634.

Adding to 1111045855 its reverse (5585401111), we get a palindrome (6696446966).

It can be divided in two parts, 11110 and 45855, that added together give a palindrome (56965).

The spelling of 1111045855 in words is "one billion, one hundred eleven million, forty-five thousand, eight hundred fifty-five".