1140223555 has 16 divisors (see below), whose sum is σ = 1416167424. Its totient is φ = 880403040.

The previous prime is 1140223519. The next prime is 1140223559. The reversal of 1140223555 is 5553220411.

It is not a de Polignac number, because 1140223555 - 2¹⁷ = 1140092483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140223559) 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, 49762 + ... + 68968.

It is an arithmetic number, because the mean of its divisors is an integer number (88510464).

Almost surely, 2^1140223555 is an apocalyptic number.

1140223555 is a deficient number, since it is larger than the sum of its proper divisors (275943869).

1140223555 is a wasteful number, since it uses less digits than its factorization.

1140223555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19626.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1140223555 is about 33767.1964338172. The cubic root of 1140223555 is about 1044.7122075560.

Adding to 1140223555 its reverse (5553220411), we get a palindrome (6693443966).

The spelling of 1140223555 in words is "one billion, one hundred forty million, two hundred twenty-three thousand, five hundred fifty-five".