1140041155 has 32 divisors (see below), whose sum is σ = 1536226560. Its totient is φ = 805015680.

The previous prime is 1140041081. The next prime is 1140041191. The reversal of 1140041155 is 5511400411.

It is a happy number.

It is not a de Polignac number, because 1140041155 - 2¹¹ = 1140039107 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 421989 + ... + 424681.

It is an arithmetic number, because the mean of its divisors is an integer number (48007080).

Almost surely, 2^1140041155 is an apocalyptic number.

1140041155 is a deficient number, since it is larger than the sum of its proper divisors (396185405).

1140041155 is a wasteful number, since it uses less digits than its factorization.

1140041155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1140041155 is about 33764.4954797195. The cubic root of 1140041155 is about 1044.6564975251.

Adding to 1140041155 its reverse (5511400411), we get a palindrome (6651441566).

The spelling of 1140041155 in words is "one billion, one hundred forty million, forty-one thousand, one hundred fifty-five".